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Algebraic geometry and Integrable systems - Deepning of Theory and New Developments in Mathematics and Mathematical Physics -

Research Project

Project/Area Number 17H06127
Research Category

Grant-in-Aid for Scientific Research (S)

Allocation TypeSingle-year Grants
Research Field Algebra
Research InstitutionKobe University

Principal Investigator

齋藤 政彦  神戸大学, 数理・データサイエンスセンター, 教授 (80183044)

Co-Investigator(Kenkyū-buntansha) 山田 泰彦  神戸大学, 理学研究科, 教授 (00202383)
岩木 耕平  東京大学, 大学院数理科学研究科, 准教授 (00750598)
太田 泰広  神戸大学, 理学研究科, 教授 (10213745)
望月 拓郎  京都大学, 数理解析研究所, 教授 (10315971)
佐野 太郎  神戸大学, 理学研究科, 助教 (10773195)
吉岡 康太  神戸大学, 理学研究科, 教授 (40274047)
Rossman W.F  神戸大学, 理学研究科, 教授 (50284485)
三井 健太郎  神戸大学, 理学研究科, 助教 (70644889)
野海 正俊  神戸大学, 理学研究科, 名誉教授 (80164672)
大仁田 義裕  大阪市立大学, 大学院理学研究科, 教授 (90183764)
光明 新  神戸大学, 数理・データサイエンスセンター, 講師 (90760976)
小池 達也  神戸大学, 理学研究科, 准教授 (80324599)
Project Period (FY) 2017-05-31 – 2022-03-31
Project Status Granted (Fiscal Year 2021)
Budget Amount *help
¥119,600,000 (Direct Cost: ¥92,000,000、Indirect Cost: ¥27,600,000)
Fiscal Year 2021: ¥23,140,000 (Direct Cost: ¥17,800,000、Indirect Cost: ¥5,340,000)
Fiscal Year 2020: ¥23,400,000 (Direct Cost: ¥18,000,000、Indirect Cost: ¥5,400,000)
Fiscal Year 2019: ¥24,440,000 (Direct Cost: ¥18,800,000、Indirect Cost: ¥5,640,000)
Fiscal Year 2018: ¥28,860,000 (Direct Cost: ¥22,200,000、Indirect Cost: ¥6,660,000)
Fiscal Year 2017: ¥19,760,000 (Direct Cost: ¥15,200,000、Indirect Cost: ¥4,560,000)
Keywords可積分系 / モジュライ空間 / モノドロミー保存変形 / 量子コホモロジーとミラー対称性 / 混合ツイスターD加群 / 混合ツイスターD加群 / 見かけの特異点 / リーマン・ヒルベルト対応 / パンルヴェ方程式 / 分岐不確定特異点
Outline of Annual Research Achievements

齋藤は、代数曲線上の放物接続や放物Higgs束のモジュライ空間の連接層のコホモロジーの計算を行った。稲場は確定特異点が不分岐な不確定特異点に合流する場合のモノドロミー保存変形を詳しく解析する論文を発表した。望月は、非コンパクトなケーラー多様体上の、解析的に安定な正則ベクトル束がエルミート・アインシュタイン条件を満たす計量を持つことを示し、周期的モノポールの分類に応用する論文を発表した。大仁田は、ケーラーC空間に埋め込まれていた任意のR空間は大域的にタイトなラグランジュ多様体である事を証明した。山田は、ネクラソフ分解関数を共形場理論の観点から考察し、ビラソロ代数の4点関数に相当する場合の微分方程式を分析した。Rossmanは、離散化された解析的曲面の大域的性質、可積分系による特徴付け、現れる特異点の解析を行った。研究協力者の岩木は、研究分担者であった小池との共著論文で、合流型のガウス超幾何微分方程式のWKB解析により現れるVoros係数が、量子曲線から実現される位相的漸化式によって表される事を示した。野海と山田は、Ruijsenaarsと共同でE8型楕円パンルヴェ方程式に対する山田のLax形とvan DiejenのBC1型の楕円差分作用素との関連を明らかにした。
三井は、小平次元0の楕円曲面に付随する不変量を計算した。佐野は、ケーラーでないカラビ・ヤウ多様体で第2ベッチ数がいくらでも大きい例を構成した。
関連する国際研究集会をフランス、京大数理研、神戸大学等で合計5件開催した。特に、ブルゴーニュ大学で、関連するヨーロッパと日本の研究者を集めて、国際研究集会「Geometry and Integrable Systems」を開催した。3月に、インド、ムンバイのTata研究所で、ベクトル束に関する日・印合同研究集会を開催する予定であったが、コロナウイルスの感染拡大のため延期とした。

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

代数曲線上の特異接続のモジュライ空間およびモノドロミー保存変形の幾何学については、稲場の分岐を許す不確定特異点の場合の研究、確定特異点から不分岐不確定特異点への合流の研究が進んでいる。齋藤とSzaboの見かけの特異点とその双対を持ちいたモジュライ空間の座標により、詳細な記述が可能になっている。その結果から、特異接続のモジュライ空間の連接層のコホモロジーの計算がある種の代数曲面のコホモロジーの計算に帰着する事が明らかになった。幾何学的ラングランズ対応への新しいアプローチとして注目している。9月に神戸へ招聘したBiswasと、齋藤、稲場、光明によって、関連するモジュライ空間の共同研究も始まっており、今後の進展が期待される。望月の小林・ヒッチン対応の拡張を示し、周期的モノポールと差分方程式の対応に応用した。また、純ツイスターD加群に関してもいくつかの基本的結果を得た。野海、山田の離散パンルヴェ系に関する研究も大いに進展しており、また山田の共形場理論的な研究も注目される。Rossmanは、微分幾何に現れる曲面の離散化に関して、可積分系や特異点理論を用いて多くの成果を得た。大仁田はケーラーC空間に埋め込まれたR空間がタイトなラグランジュ部分多様体であるという結果を示した。研究協力者の岩木は、小池と竹井との共著論文において、合流型のガウス超幾何微分方程式のWKB解析により現れるVoros係数が、量子曲線から実現される位相的漸化式によって表される事を示した。これ以外にも、岩木はMarchal, Saenzと共に、6種類のh依存のパンルヴェ微分方程式を導出する線形方程式のLax対がある種の位相的漸化式を満たし、対応するモノドロミー保存τ関数のh展開を決定できるという著しい結果を示した。三井、佐野の研究も順調に進んでいる。研究代表者、分担者、協力者は、国内外で多数の招待講演を行っている。

Strategy for Future Research Activity

不確定特異点をもつ接続やストークス構造の幾何学、およびリーマン・ヒルベルト対応、モノドロミー・ストークスデータ保存変形等について、包括的に研究を進める。また、高次元双有理幾何学の観点から放物接続や放物Higgs束のモジュライ空間の詳細な構造の研究を進めるとともに、可積分系への応用を進める。また幾何学的ラングランズ対応をフーリエ・向井変換によって与えるために、放物接続のモジュライ空間の連接層のコホモロジー群の決定を行う。非アーベル的ホッジ対応の下での上記モジュライ空間の変形と一般化されたストークス・モノドロミー空間の構造を調べ、「P=W予想」や混合ホッジ構造についての予想などついて研究し、数理物理学的な考察を行う。離散パンルヴェ方程式などの理論を整理し、幾何学的な対応を考察する。位相的漸化式とWKB解析の関係、モノドロミー保存変形との関係に関して、岩木の理論を幾何学的に焼き直し、問題の新たな定式化、そして量子曲線の理論等との関係を明確化する。Lisovy・名古屋らのパンルヴェ方程式のτ関数の研究を様々な観点から考察し、理論の背景を探り、モノドロミー保存変形τ関数の幾何学的意味を明確化する。
国内外の一流研究者を集め、また若手の育成を図る機会とする。高次元代数幾何学分野、数理物理学・ミラー対称性分野については、それぞれ研究分担者、研究協力者の専門分野において独自の研究を進めるとともに、上記研究を活かした新たな共同研究の可能性を探る。 国内および海外の研究者との共同研究も進めるが、コロナウイルスの影響を回避するために、ウェブによる研究セミナー、研究打ち合わせ、講演会も積極的に行っていく。コロナウイルスの影響が収束した後に、大規模な国際研究集会が開催出来るよう検討する。

Assessment Rating
Result (Rating)

A: Progress in the research is steadily towards the initial goal. Expected research results are expected.

Report

(7 results)
  • 2020 Abstract(Research Progress Assessment) ( PDF )   Research Progress Assessment (Result) ( PDF )
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • 2017 Abstract ( PDF )   Comments on the Screening Results ( PDF )   Annual Research Report

Research Products

(294 results)

All 2020 2019 2018 2017 Other

All Int'l Joint Research (18 results) Journal Article (50 results) (of which Int'l Joint Research: 14 results,  Peer Reviewed: 48 results,  Open Access: 23 results,  Acknowledgement Compliant: 1 results) Presentation (207 results) (of which Int'l Joint Research: 156 results,  Invited: 198 results) Book (5 results) Remarks (1 results) Funded Workshop (13 results)

  • [Int'l Joint Research] Universite de Rennes1/Universite Paris-Sud/Universite de Tours(フランス)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] Tata Institute of Fundamental Research(インド)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] Budapest Univ. of Tech. and Economics(ハンガリー)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] IST/University of Vienna(オーストリア)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] ETH Zurich(スイス)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research]

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] Universit\'e de Rennes1/Ecole Polytechnique/Universit\'e Nice Sophia Antipolis(フランス)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] University of Glasgow/Univ. of Bristol(英国)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] Northeastern University/University of Wisconsin/University of California Davis(米国)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] RIRCM, Kyungpook National University/Korea University(韓国)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] Budapest Univ. of T and E(ハンガリー)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research]

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] University of Cambridge(英国)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] Paris-Sud University/Universit\'e Bordeaux/IRMAR, Universite de Rennes I(フランス)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] Budapest Univ. of Tech. and Econ.(ハンガリー)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] Universidade de Sao Paulo(ブラジル)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] TIFR, Mumbai(インド)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research]

    • Related Report
      2017 Annual Research Report
  • [Journal Article] Theory and applications of the elliptic Painleve equation,2020

    • Author(s)
      Yasuhiko YAMADA
    • Journal Title

      "Partition functions and automorphic forms", (V.P.Spridonov and V.Gritsenko, eds.)

      Volume: -

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Kobayashi-Hitchin correspondence for analytically stable bundles.2020

    • Author(s)
      Takuro Mochizuki
    • Journal Title

      Trans. Amer. Math. Soc.

      Volume: 373 (no. 1) Pages: 551-596

    • DOI

      10.1090/tran/7956

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Semi-discrete linear Weingarten surfaces with Weierstrass-type representations and their singularities2020

    • Author(s)
      M. Yasumoto, W. Rossman
    • Journal Title

      Osaka Journal of Mathematics

      Volume: 57 (1)

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Discrete isothermicity in Mobius subgeometries.2020

    • Author(s)
      J. Cho, W. Rossman
    • Journal Title

      In. An introduction to discrete differential geometry. S.-D. Yang. (ed.). Anam Lecture Notes in Mathematics

      Volume: 2

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Discrete channel surfaces2020

    • Author(s)
      Udo Hertrich-Jeromin, W. Rossman, Gudrun Szewieczek
    • Journal Title

      Mathematische Zeitschrift

      Volume: 294 (1)

    • DOI

      10.1007/s00209-019-02389-4

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Analytic extension of exceptional constant mean curvature one catenoids in de Sitter 3-space,2020

    • Author(s)
      S. Fujimori, Y. Kawakami, M. Kokubu, W. Rossman, M. Umehara and K. Yamada,
    • Journal Title

      Math. J. Okayama Univ.

      Volume: 62 Pages: 179-195

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Isoperimetric deformations of curves on the Minkowski plane2019

    • Author(s)
      Hyeongki Park, Jun-ichi Inoguchi, Kenji Kajiwara, Ken-ichi Maruno, Nozomu Matsuura and Yasuhiro Ohta
    • Journal Title

      International Journal of Geometric Methods in Modern Physics

      Volume: 印刷中 Pages: 1950100-1950100

    • DOI

      10.1142/s0219887819501007

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Discrete local induction equation2019

    • Author(s)
      Sampei Hirose, Jun-ichi Inoguchi, Kenji Kajiwara, Nozomu Matsuura and Yasuhiro Ohta
    • Journal Title

      Journal of Integrable Systems

      Volume: 印刷中 Pages: 1-43

    • DOI

      10.1093/integr/xyz003

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Characterizing singularities of a surface in Lie sphere geometry.2019

    • Author(s)
      M. Pember, W. Rossman, K. Saji, K. Teramoto,
    • Journal Title

      Hokkaido Mathematical Journal

      Volume: 48 no. 2,

    • DOI

      10.14492/hokmj/1562810509

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] A determinant formula associated with the elliptic hypergeometric integrals of type BCn.,2019

    • Author(s)
      M. Ito, M. Noumi
    • Journal Title

      J. Math. Phys.

      Volume: 60, no. 7

    • NAID

      120006937807

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Minimal Maslov number of R-spaces canonically embedded in Einstein-Kaehler C-spaces,2019

    • Author(s)
      Y. Ohnita
    • Journal Title

      Complex Manifolds

      Volume: 6

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Lagrangian geometry of the Gauss images of isoparametric hypersurfaces in spheres2019

    • Author(s)
      Reiko Miyaoka and Yoshihiro Ohnita
    • Journal Title

      Complex Manifolds

      Volume: 6 Pages: 265-278

    • DOI

      10.1515/coma-2019-0013

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Frobenius base change of torsors2019

    • Author(s)
      Kentaro Mitsui
    • Journal Title

      J. Pure Appl. Algebra

      Volume: 223 Pages: 553-570

    • DOI

      10.1016/j.jpaa.2018.04.006

    • NAID

      120006539284

    • Related Report
      2019 Annual Research Report 2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Voros coefficients for the hypergeometric differential equations and Eynard?Orantin’s topological recursion: Part II: For confluent family of hypergeometric equations2019

    • Author(s)
      Iwaki Kohei、Koike Tatsuya、Takei Yumiko
    • Journal Title

      J. Integrable Syst.

      Volume: 4

    • DOI

      10.1093/integr/xyz004

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Unfolding of the unramified irregular singular generalized isomonodromic deformation2019

    • Author(s)
      M.-a., Inaba
    • Journal Title

      Bull. Sci. Math.

      Volume: 157

    • DOI

      10.1016/j.bulsci.2019.102795

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Discrete and Ultradiscrete Periodic Phase Soliton Equations2019

    • Author(s)
      H. Nagai, Y. Ohta and R. Hirota
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 88 Issue: 3 Pages: 034001-034001

    • DOI

      10.7566/jpsj.88.034001

    • NAID

      210000135116

    • ISSN
      0031-9015, 1347-4073
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Variations of q-Garnier system2018

    • Author(s)
      H.Nagao and Y.Yamada
    • Journal Title

      J. Phys. A

      Volume: 51

    • DOI

      10.1088/1751-8121/aaae31

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Study of <i>q</i>-Garnier System by Pad&eacute; Method2018

    • Author(s)
      H.Nagao and Y.Yamada
    • Journal Title

      FE

      Volume: 61(1) Issue: 1 Pages: 109-133

    • DOI

      10.1619/fesi.61.109

    • NAID

      130006726034

    • ISSN
      0532-8721
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] The Derivative Yajima-Oikawa System: Bright, Dark Soliton and Breather Solutions2018

    • Author(s)
      Junchao Chen, Bao‐Feng Feng, Ken‐ichi Maruno, Yasuhiro Ohta
    • Journal Title

      Stud. Appl. Math.

      Volume: 141 Pages: 145-185

    • DOI

      10.1111/sapm.12216

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Moduli spaces of stable sheaves on Enriques surfaces2018

    • Author(s)
      Kota Yoshioka
    • Journal Title

      Kyoto J. Math.

      Volume: 58 (4) Pages: 865-914

    • DOI

      10.1215/21562261-2017-0037

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Discrete linear Weingarten surfaces and their singularities in Riemannian and Lorentzian spaceforms2018

    • Author(s)
      W. Rossman, M. Yasumoto
    • Journal Title

      Advanced Studies in Pure Mathematics

      Volume: 78 Pages: 383-410

    • DOI

      10.2969/aspm/07810383

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Remarks on $\tau$-functions for the difference Painlev\'{e} equations of type $E_8$2018

    • Author(s)
      M.~Noumi
    • Journal Title

      Advanced Studies in Pure Mathematics ``Representation Theory, Special Functions and Painlev\'e equations --- RIMS 2015''

      Volume: 76

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Connection formula for the Jackson integral of type An and elliptic Lagrange interpolation2018

    • Author(s)
      Masahiko Ito, Masatoshi Noumi
    • Journal Title

      SIGMA

      Volume: 14

    • DOI

      10.3842/sigma.2018.077

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Deformations of weak Q-Fano 3-folds2018

    • Author(s)
      sano Taro
    • Journal Title

      Internat. J. Math.

      Volume: 29

    • DOI

      10.1142/s0129167x18500490

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Smoothing cones over K3 surfaces2018

    • Author(s)
      S. Coughlan and T. Sano
    • Journal Title

      L\'Epijournal de G\'eom\'etrie Alg\'ebrique EPIGA

      Volume: 2

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Moduli of regular singular parabolic connections with given spectral type on smooth projective curves2018

    • Author(s)
      M. Inaba, M.-H. Saito
    • Journal Title

      J. Math. Soc. Japan

      Volume: 70, N0.3 Issue: 3 Pages: 879-894

    • DOI

      10.2969/jmsj/76597659

    • NAID

      130007420331

    • ISSN
      0025-5645, 1881-1167, 1881-2333
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] A twistor approach to the Kontsevich complexes2018

    • Author(s)
      Takuro Mochizuki
    • Journal Title

      Manuscripta Mathematica

      Volume: 2017 Pages: 193-231

    • DOI

      10.1007/s00229-017-0989-5

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Addendum: Singularities of flat fronts in hyperbolic space2018

    • Author(s)
      Kokubu Masatoshi、Rossman Wayne、Saji Kentaro、Umehara Masaaki、Yamada Kotaro
    • Journal Title

      Pacific Journal of Mathematics

      Volume: 294 Pages: 505-509

    • DOI

      10.2140/pjm.2018.294.505

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] A characterization of nilpotent orbit closures among symplectic singularities2018

    • Author(s)
      Y. Namikawa
    • Journal Title

      Math. Ann.

      Volume: 370 Pages: 811-818

    • DOI

      10.1007/s00208-017-1572-9

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] An elliptic Garnier system from interpolation2017

    • Author(s)
      Y.Yamada
    • Journal Title

      SIGMA

      Volume: 13 Pages: 069-069

    • DOI

      10.3842/sigma.2017.069

    • NAID

      120006545129

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Geometric Formulation and Multi-dark Soliton Solution to the Defocusing Complex Short Pulse Equation2017

    • Author(s)
      Bao-Feng Feng, Ken-ichi Maruno, Yasuhiro Ohta
    • Journal Title

      Stud. Appl. Math.

      Volume: 136 Pages: 343-367

    • DOI

      10.1111/sapm.12159

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] An integrable semi-discrete Degasperis-Procesi equation2017

    • Author(s)
      B.-F. Feng, K. Maruno and Y. Ohta
    • Journal Title

      Nonlinearity

      Volume: 30 Pages: 2246-2267

    • DOI

      10.1088/1361-6544/aa67fc

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] The Degasperis-Procesi equation, its short wave model and the CKP hierarchy2017

    • Author(s)
      B.-F. Feng, K. Maruno and Y. Ohta
    • Journal Title

      Annals of Mathematical Sciences and Applications

      Volume: 2 Pages: 285-316

    • DOI

      10.4310/amsa.2017.v2.n2.a4

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] N-bright-dark soliton solution to a semi-discrete vector nonlinear Schroedinger equation2017

    • Author(s)
      B.-F. Feng and Y. Ohta
    • Journal Title

      Symmetry, Integrability and Geometry: Methods and Applications

      Volume: 13 Pages: 071-071

    • DOI

      10.3842/sigma.2017.071

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Some Characterizations of Dirac Type Singularity of Monopoles2017

    • Author(s)
      Mochizuki Takuro、Yoshino Masaki
    • Journal Title

      Communications in Mathematical Physics

      Volume: 356 Pages: 613-625

    • DOI

      10.1007/s00220-017-2981-z

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Discrete linear Weingarten surfaces2017

    • Author(s)
      Francis Bustall, Udo Hertrich-Jeromin, Wayne Rossman
    • Journal Title

      Nagoya Math. J.

      Volume: -

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetic geodesics on surfaces with singularities2017

    • Author(s)
      Volker Branding, Wayne Rossman
    • Journal Title

      Pac. J. Math. Ind.

      Volume: 9:3

    • DOI

      10.1186/s40736-017-0028-1

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Analytic extension of Jorge-Meeks type maximal surfaces in Lorentz-Minkowski 3-space2017

    • Author(s)
      S. Fujimori, Y. Kawakami, M. Kokubu, W. Rossman, M. Umehara, K Yamada
    • Journal Title

      Osaka J. Math.

      Volume: 54

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] On Floer homology of the Gauss images of isoparametric hypersurfaces2017

    • Author(s)
      Yoshihiro Ohnita
    • Journal Title

      Springer Proc. Math. Stat

      Volume: 203 Pages: 235-247

    • DOI

      10.1007/978-981-10-5556-0_20

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On classification of minimal orbits of the Hermann action satisfying Koike's conditions (Joint work with Minoru Yoshida)2017

    • Author(s)
      Yoshihiro Ohnita
    • Journal Title

      Proceedings of The 21st International Workshop on Hermitian Symmetric Spaces and Submanifolds

      Volume: 21

    • Related Report
      2017 Annual Research Report
    • Open Access
  • [Journal Article] Threefold Extremal Contractions of Types (IIA). II2017

    • Author(s)
      森重文、Y. Prokhorov
    • Journal Title

      Proceedings for Nigel’s conference Hitchin 70

      Volume: -

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Effective nonvanishing for Fano weighted complete intersections2017

    • Author(s)
      Pizzato Marco、Sano Taro、Tasin Luca
    • Journal Title

      Algebra and number theory

      Volume: 11 Pages: 2369-2395

    • DOI

      10.2140/ant.2017.11.2369

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] A mirror construction for the big equivariant quantum cohomology of toric manifolds2017

    • Author(s)
      Hiroshi Iritani
    • Journal Title

      Math. Ann

      Volume: 368 Pages: 279-316

    • DOI

      10.1007/s00208-016-1437-7

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Seidel elements and potential functions of holomorphic disc counting2017

    • Author(s)
      Eduardo Gonzalez, Hiroshi Iritani
    • Journal Title

      Tohoku Math. J

      Volume: 69 Pages: 327-368

    • DOI

      10.2748/tmj/1505181621

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Three-dimensional representations of braid groups associated with some finite complex reflection groups2017

    • Author(s)
      Yoshishige Haraoka and Toshiya Matsumura
    • Journal Title

      Int. J. Math.

      Volume: 28

    • DOI

      10.1142/s0129167x17501099

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Towards homological projective duality for S2P3 and S2P42017

    • Author(s)
      Shinobu Hosono and Hiromichi Takagi
    • Journal Title

      Adv. Math

      Volume: 317 Pages: 371-409

    • DOI

      10.1016/j.aim.2017.06.039

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fundamental groups of symplectic singularities2017

    • Author(s)
      Y. Namikawa
    • Journal Title

      Adv. Stud. Pure Math.

      Volume: 74

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Models of torsors under elliptic curves2017

    • Author(s)
      Kentaro Mitsui
    • Journal Title

      PMB Alge'bre et The'orie des Nombres

      Volume: 1 Pages: 79-108

    • DOI

      10.5802/pmb.16

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] CFT approach to the q-Painleve VI equation2017

    • Author(s)
      M. Jimbo, H. Nagoya, and H. Sakai
    • Journal Title

      Journal of Integrable Systems

      Volume: 2

    • DOI

      10.1093/integr/xyx009

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Markov bases for two-way change-point models of ladder determinantal tables2017

    • Author(s)
      Satoshi Aoki and Takayuki Hibi
    • Journal Title

      J. Algebr. Stat.

      Volume: 8

    • DOI

      10.18409/jas.v8i1.55

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Nekrasov functions and q-difference equations2020

    • Author(s)
      山田 泰彦
    • Organizer
      RikkyoMathPhys2020
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Flat fronts in hyperbolic 3-space as Omega surfaces2020

    • Author(s)
      Rossman, Wayne
    • Organizer
      Geometric shape generation
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Lagrange型補間函数と q差分 de Rham の方法2020

    • Author(s)
      野海 正俊
    • Organizer
      q, q and q
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 梅村多項式について2020

    • Author(s)
      野海 正俊
    • Organizer
      第2回多重三角関数とその一般化
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Models of torsors under algebraic groups2020

    • Author(s)
      三井 健太郎
    • Organizer
      第15回代数・解析・幾何学セミナー
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Quotient singularities of products of two curves2020

    • Author(s)
      三井 健太郎
    • Organizer
      第7回代数幾何学研究集会ー宇部ー
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Deformations of Fano and Calabi-Yau varieties (5 talks)2020

    • Author(s)
      佐野 太郎
    • Organizer
      COMPLEX ALGEBRAIC GEOMETRY WINTER SCHOOL
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Construction of Calabi-Yau manifolds by log deformations2020

    • Author(s)
      佐野 太郎
    • Organizer
      Niigata Algebra seminar
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] モジュライ理論と可積分系2019

    • Author(s)
      齋藤 政彦
    • Organizer
      奈良女子大学理学部数学教室
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Apparent singularities of connections and Higgs bundles on a curveand canonical coordinates of their moduli spaces.(A joint work with S. Szabo)2019

    • Author(s)
      齋藤 政彦
    • Organizer
      Mini Workshop on Geometry of Moduli Spaces
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Moduli spaces of parabolic Higgs bundles and parabolic connections on curves and integrable systems2019

    • Author(s)
      齋藤 政彦
    • Organizer
      Geometry and Integrable Systems
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 超幾何と共形場再訪2019

    • Author(s)
      山田 泰彦
    • Organizer
      超幾何学校 2019
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] An expression of lambda determinant derived from Toda lattice equation2019

    • Author(s)
      太田 泰広
    • Organizer
      The 9th International Congress on Industrial and Applied Mathematics
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Dark soliton solutions for toroidal type soliton equations2019

    • Author(s)
      太田 泰広
    • Organizer
      ISLAND V: Integrable systems, special functions and combinatorics
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Discretization of the Liouville equation of elliptic type2019

    • Author(s)
      太田 泰広
    • Organizer
      The 2nd JNMP Conference on Nonlinear Mathematical Physics: 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Two dimensional stationary vorticity distribution and integrable system2019

    • Author(s)
      太田泰広
    • Organizer
      The Eleventh IMACS International Conference on Nonlinear Evolution Equations and Wave Phenomena: Computation and Theory
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] The Riemann-Hilbert correspondence and Fourier transform2019

    • Author(s)
      望月 拓郎
    • Organizer
      Wild Ramification and Irregular Singularities
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 調和束・モノポール・インスタントン2019

    • Author(s)
      望月 拓郎
    • Organizer
      日本数学会秋季総合分科会
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Some topics in Kobayashi-Hitchin correspondences2019

    • Author(s)
      望月 拓郎
    • Organizer
      Integrability, Geometry and Moduli
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Non-abelian Hodge theory for Monopoles with Periodicity2019

    • Author(s)
      望月 拓郎
    • Organizer
      Resurgence in Mathematics and Physics
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Kobayashi-Hitchin correspondences for monopoles with periodicity2019

    • Author(s)
      望月 拓郎
    • Organizer
      Algebraic analysis and geometry with a view on Higgs bundles and D-modules
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Kobayashi-Hitchin correspondences for periodic monopoles2019

    • Author(s)
      望月 拓郎
    • Organizer
      Geometry and integrable systems
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Weak Brill-Noether for the moduli of stable sheaves on a generic K3 surface2019

    • Author(s)
      吉岡 康太
    • Organizer
      Categorical and Analytic Invariants in Algebraic Geometry VII
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Moduli of stable sheaves on Enriques surfaces2019

    • Author(s)
      吉岡 康太
    • Organizer
      School and Workshop on Gauge Theories and Differential Invariants
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Weak Brill-Noether for the moduli of stable sheaves on a generic K3 surface2019

    • Author(s)
      吉岡 康太
    • Organizer
      The fourth edition of Japanese-European Symposium on Symplectic Varieties and Moduli Spaces
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Global behavior of smooth surfaces with Weierstrass-type representations2019

    • Author(s)
      Rossman, Wayne
    • Organizer
      Fran's 60 bday meeting, Integrable systems and symmetry breaking in geometry
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Discrete surfaces with topology and/or singularities2019

    • Author(s)
      Rossman, Wayne
    • Organizer
      M:IV-workshop
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Global behavior of discrete surfaces2019

    • Author(s)
      Rossman, Wayne
    • Organizer
      9th International Congress on Industrial and Applied Mathematics - ICIAM 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 楕円 Ruijsenaars 差分作用素の形式的固有函数2019

    • Author(s)
      野海 正俊
    • Organizer
      東北大学代数セミナー
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] An introduction to hypergeometric functions2019

    • Author(s)
      野海 正俊
    • Organizer
      Two lectures
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] A determinant formula associated with the BC_n elliptic hypergeometric integrals of Selberg type2019

    • Author(s)
      野海 正俊
    • Organizer
      数理物理セミナー
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] An introduction to hypergeometric functions2019

    • Author(s)
      野海 正俊
    • Organizer
      HSE 表現論・数理物理研究所における連続講義
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Hypergeometric τ functions for the elliptic difference Painleve equation2019

    • Author(s)
      野海 正俊
    • Organizer
      可積分系セミナー
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Darboux and Moutard transformations for non-autonomous Hirota and Miwa equations2019

    • Author(s)
      野海 正俊
    • Organizer
      可積分系セミナー
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Formal eigenfunctions for the elliptic Ruijsenaars difference operators2019

    • Author(s)
      野海 正俊
    • Organizer
      数学教室談話会
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Introduction to elliptic hypergeometric functions2019

    • Author(s)
      野海 正俊
    • Organizer
      数学・系統科学研究院における連続講義 (three lectures)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 楕円 Ruijsenaars 差分作用素の形式的固有函数2019

    • Author(s)
      野海 正俊
    • Organizer
      可積分系数理の進化と展開
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Elliptic hypergeometric integrals2019

    • Author(s)
      野海 正俊
    • Organizer
      Representation Theory, Probability, and Symmetric Functions
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Darboux and Moutard transformations -- What I learned from Jon2019

    • Author(s)
      野海 正俊
    • Organizer
      Integrable systems, special functions and combinatorics, (ISLAND V)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Formal eigenfunctions for the elliptic Ruijsenaars difference operators2019

    • Author(s)
      野海 正俊
    • Organizer
      Elliptic integrable systems, special functions and quantum field theory
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Minimal Maslov number of R-spaces canonically embedded in Einstein-Kaehler C-spaces2019

    • Author(s)
      大仁田 義裕
    • Organizer
      第5回神楽坂微分幾何学セミナー
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 等径超曲面論入門2019

    • Author(s)
      大仁田 義裕
    • Organizer
      東京理科大学学部・大学院集中講義(数学科・数学専攻)
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Minimal Maslov number of R-spaces canonically embedded in Einstein-Kaehler C-spaces2019

    • Author(s)
      大仁田 義裕
    • Organizer
      The 22nd International Workshop on Differential Geometry of Submanifolds in Symmetric Spaces and Related Problems, The 17th RIRCM-OCAMI Joint Differential Geometry Workshop, 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Lagrangian geometry of the Gauss images of isoparametric hypersurfaces2019

    • Author(s)
      大仁田 義裕
    • Organizer
      2019 Workshop on the Isoparametric Theory
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Minimal Maslov number of R-spaces canonically embedded in Einstein-Kaehler C-spaces2019

    • Author(s)
      大仁田 義裕
    • Organizer
      Variational problems and the geometry of submanifolds
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 半アーベル的なネロン・モデルの相対コンパクト化2019

    • Author(s)
      三井 健太郎
    • Organizer
      湯布院代数幾何学ワークショップ
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Models of torsors under elliptic curves2019

    • Author(s)
      三井 健太郎
    • Organizer
      代数セミナー
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Frobenius base change of torsors2019

    • Author(s)
      三井 健太郎
    • Organizer
      代数幾何・数論幾何セミナー
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Models of torsors under algebraic groups2019

    • Author(s)
      三井 健太郎
    • Organizer
      代数幾何セミナー
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Models of torsors under algebraic groups2019

    • Author(s)
      三井 健太郎
    • Organizer
      代数幾何学セミナー
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Frobenius base change of torsors2019

    • Author(s)
      三井 健太郎
    • Organizer
      CNU Workshop on Arithmetic Algebraic Geometry in honor of Professor Li Kezheng for his 70 th birthday
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Models of torsors under algebraic groups, Xiamen mini workshop in Arithmetic Geometry2019

    • Author(s)
      三井 健太郎
    • Organizer
      Xiamen mini workshop in Arithmetic Geometry
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] On log deformations of degenerate Calabi-Yau varieties2019

    • Author(s)
      佐野 太郎
    • Organizer
      湯布院代数幾何学ワークショップ
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] On log deformations of degenerate Calabi-Yau varieties2019

    • Author(s)
      佐野 太郎
    • Organizer
      Birational Geometry, Kaehler-Einstein metrics and Degenerations
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] On log deformations of degenerate Calabi-Yau varieties2019

    • Author(s)
      佐野 太郎
    • Organizer
      Algebraic geometry seminar
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Deformations of Fano and Calabi-Yau varieties (3 talks)2019

    • Author(s)
      佐野 太郎
    • Organizer
      Groups, Arithmetic & Algebraic Geometry Seminar
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] On log deformations of degenerate Calabi-Yau varieties2019

    • Author(s)
      佐野 太郎
    • Organizer
      Mini Workshop on Geometry of Moduli Spaces
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Construction of non-Kaehler Calabi-Yau 3-folds by log deformations2019

    • Author(s)
      佐野 太郎
    • Organizer
      Younger generations in Algebraic and Complex geometry
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Construction of non-Kaehler Calabi-Yau 3-folds by smoothing normal crossing varieties2019

    • Author(s)
      佐野 太郎
    • Organizer
      Algebraic Geometry seminar
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Birational Geometry2019

    • Author(s)
      佐野 太郎
    • Organizer
      Kaehler-Einstein metrics and Degenerations
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Construction of non-Kaehler Calabi-Yau 3-folds by smoothing normal crossing varieties2019

    • Author(s)
      佐野 太郎
    • Organizer
      Algebraic Geometry International Conference
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Moduli spaces of parabolic Higgs bundles and parabolic connections on curves and Integrable systems2019

    • Author(s)
      M.-H. Saito
    • Organizer
      S\'{e}minaire G\'{e}om\'{e}trie et applications, IRMA, University of Strasbourg, Strasbourg, France
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 数学の楽しみと広がり~代数幾何学とパンルヴェ型方程式、そして数理・データサイエンスセンター,2019

    • Author(s)
      齋藤 政彦
    • Organizer
      数学と諸分野の連携にむけた若手数学者交流会, 科学技術振興機構(JST)東京本部
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Lump solitons generated by instability of line soliton for KPI equation2019

    • Author(s)
      Y. Ohta, Y. Watanabe, Y. Tanaka and K. Maruno
    • Organizer
      AMS Sectional Meeting AMS Special Session, Honolulu, USA
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 二次元定常流に対するオイラー方程式の離散化について2019

    • Author(s)
      太田泰広
    • Organizer
      研究集会「非線形海洋波の数理の最近の進展」, 那須, 日本
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Kobayashi-Hitchin correspondences for periodic monopoles2019

    • Author(s)
      Takuro Mochizuki
    • Organizer
      A workshop on challenges at the interface of Hitchin Systems and String Theory, SCGP(USA)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Weak Brill-Noether for the moduli of stable sheaves on a generic K3 surface2019

    • Author(s)
      K. Yoshioka
    • Organizer
      Algebraic Geometry and Moduli Theory, 京都大学数理解析研究所
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Surfaces in Moebius (and Lie sphere) geometry2019

    • Author(s)
      Rossman Fremont Wayne
    • Organizer
      Joint Japan-Korea Workshop on DDG, Korea University, Seoul
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Ruijsenaars 系の固有函数:現状と課題2019

    • Author(s)
      野海 正俊
    • Organizer
      表現論と特殊函数セミナー, 琉球大学理学部
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Minimal Maslov number of R-spaces canonically embedded in Einstein-Kaehler C-spaces2019

    • Author(s)
      Yoshihiro Ohnita
    • Organizer
      Variational Problems in Geometry and Mathematical Physics, UK-Japan Winter School 2019, School of Mathematics, University of Leeds, UK
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Minimal Maslov number of R-spaces canonically embedded in Einstein-Kaehler C-spaces2019

    • Author(s)
      Yoshihiro Ohnita
    • Organizer
      Special talks organized by Professor Hui Ma, Tsinghua University, Beijing, P.R.China
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Minimal Maslov number of R-spaces canonically embedded in Einstein-Kaehler C-spaces2019

    • Author(s)
      Yoshihiro Ohnita
    • Organizer
      The 2nd International Conference Geometry of Submanifolds and Integrable Systems, 大阪市立大学
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Logarithmic good reduction and the index'2019

    • Author(s)
      K. Mitsui
    • Organizer
      東京大学代数幾何学セミナー
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Quotient singularities of products of two curves2019

    • Author(s)
      K. Mitsui
    • Organizer
      Toric geometry, degenerations and related topics, 神戸大学
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Models of torsors under algebraic group2019

    • Author(s)
      K. Mitsui
    • Organizer
      東京電機大学数学講演会
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Models of torsors under algebraic group2019

    • Author(s)
      K. Mitsui
    • Organizer
      大阪大学アフィン代数幾何学研究集会
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Construction of non-K\"{a}hler Calabi-Yau 3-folds by smoothing normal crossing varieties2019

    • Author(s)
      佐野 太郎
    • Organizer
      京都大学代数幾何学セミナー
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Moduli spaces of parabolic connections and parabolic bundles and Geometric Langlands2018

    • Author(s)
      M.-H. Saito
    • Organizer
      Quantum Fields, Geometry and Representation Theory, Madhava Lecture Hall, ICTS, Bangalore, India
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Moduli spaces of parabolic connections, parabolic bundles and Geometric Langlands2018

    • Author(s)
      M.-H. Saito
    • Organizer
      Geometry and Physics of Quantum Curves, the Banff International Research Station, Banff, Alberta, Canada
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Moduli spaces of parabolic Higgs bundles and parabolic connections on curves and Integrable systems,2018

    • Author(s)
      M.-H. Saito
    • Organizer
      Recent developments in Higgs theory, Laboratory of Mirror Symmetry, NRU HSE, Moscow, Russia
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Comments on $q$-Garnier systems2018

    • Author(s)
      Y. Yamada
    • Organizer
      Asymptotic, Algebraic and Geometric Aspects of Integrable Systems, TSIMF (Sanya, China)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Geometry of isomonodromy deformations2018

    • Author(s)
      Y. Yamada
    • Organizer
      MS Seminar, IPMU (Kashiwa Japan)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] On $q$-Garnier systems2018

    • Author(s)
      Y. Yamada
    • Organizer
      SIDE-13 (Fukuoka Japan)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Time-localized solutions for some soliton equations2018

    • Author(s)
      Yasuhiro Ohta
    • Organizer
      Workshop on Nonlinear Water Waves, Kyoto, Japan
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Periodic phase solitons for discrete and ultradiscrete equations2018

    • Author(s)
      Yasuhiro Ohta
    • Organizer
      JSPS US AA Seminar Program 2018, Recent development in continuous and discrete integrable systems, Edinburg, USA
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Periodic phase solitons for discrete and ultradiscrete equations2018

    • Author(s)
      Yasuhiro Ohta
    • Organizer
      Scientific Gathering, Integrable systems and beyond, Cuernavaca, Mexico
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] -2018

    • Author(s)
      太田泰広
    • Organizer
      可積分系ウィンターセミナー, 本庄, 日本
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Periodic monopoles and difference modules2018

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Complex Geometry and Lie groups, フィレンツェ大学 (イタリア)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Toda equations and Harmonic bundles,2018

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Higgs Bundles and Harmonic Maps of Riemann Surfaces, Casa Matematica Oaxaca (メキシコ, オアハカ)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Kobayashi-Hitchin correspondence for wild harmonic bundles2018

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Quantum Fields, Geometry and Representation Theory, nternational Center for Theoretical Sciences (インド)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] periodic monopoles and difference modules2018

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Geometry and Physics of Quantum Curves, Banff International Research Station (カナダ)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Stokes shells and Fourier transform2018

    • Author(s)
      Takuro Mochizuki
    • Organizer
      CATS5, 国立歴史自然科学博物館(ポルトガル リスボン)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Stokes shells and Fourier transform2018

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Various Problems of Algebraic Analysis, 京都大学数理解析研究所
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Periodic monopoles and difference modules2018

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Recent developments in Higgs theory, 国立研究大学高等経済学院 (ロシア モスクワ)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Surface discretization and Lie sphere geometry2018

    • Author(s)
      Rossman Fremont Wayne
    • Organizer
      SIDE-13 (Fukuoka Japan) Kyushu University
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Introduction to Lie sphere geometry and applications to surface theory2018

    • Author(s)
      Rossman Fremont Wayne
    • Organizer
      Summer School 2018 in Fukuoka, "Geometric shape generation" , Kyushu University
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Discrete omega surfaces2018

    • Author(s)
      Rossman Fremont Wayne
    • Organizer
      Mini-Workshop on Geometry of Surfaces and Related Topics, Kobe University
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Singularities on discrete omega surfaces2018

    • Author(s)
      Rossman Fremont Wayne
    • Organizer
      "Minimal Surfaces: Integrable Systems and Visualization"(m:iv Summer 2018Workshop), Technical University Munich
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Discrete Omega surfaces and their singularities2018

    • Author(s)
      Rossman Fremont Wayne
    • Organizer
      微分幾何学・微分式系・特異点論の応用, 広島工業大学
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] $G_2$型 Gustafson $q$-ベータ積分の楕円化とその無限積表示について2018

    • Author(s)
      伊藤雅彦・野海 正俊
    • Organizer
      日本数学会2018年秋季総合分科会, 岡山大学
    • Related Report
      2018 Annual Research Report
  • [Presentation] Elliptic hypergeometric functions and elliptic difference Painlev\'e equation2018

    • Author(s)
      M. Noumi
    • Organizer
      XIX International Congress on Mathmatical Physics, Montreal, Canada
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Elliptic hypergeometric integrals2018

    • Author(s)
      M. Noumi
    • Organizer
      Summer Research Institute on $q$-Series, Nankai Univerisity, Tianjin, P.R. China
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Elliptic hypergeometric integrals and associated determinant formulas2018

    • Author(s)
      M. Noumi
    • Organizer
      13th International Conference on Symmetry and Integrability of Difference Equations (SIDE 13), Fukuoka, Japan
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Lagrangian geometry of the Gauss images of isoparametric hypersurfaces in spheres2018

    • Author(s)
      Reiko Miyaoka (speaker) and Yoshihiro Ohnita
    • Organizer
      The 5th Workshop on "Complex Geometry and Lie Groups", University of Florence, Florence, Italy
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Geometry of Harmonic Maps and Integrable System Approach (1), (2)2018

    • Author(s)
      Yoshihiro Ohnita
    • Organizer
      Mini-Workshop on Geometry and Mathematical Science, 大阪市立大学
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 小池の条件を満たすHermann作用の極小軌道の分類について2018

    • Author(s)
      大仁田義裕
    • Organizer
      部分多様体幾何とリー群作用 2018, 東京理科大学森戸記念館第1フォーラム
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Lagrangian geometry of the Gauss images of isoparametric hypersurfaces2018

    • Author(s)
      Yoshihiro Ohnita
    • Organizer
      Special Session "Riemannian Geometry and related Topics", 2018 Joint Meeting of the Korean Mathematical Society and the Germany Mathematical Society, COEX, Seoul, Korea
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] アインシュタイン-ケーラーC-空間に標準的に埋め込まれたR-空間の最小マスロフ数2018

    • Author(s)
      大仁田義裕
    • Organizer
      水戸幾何セミナー (茨城大学理学部数学・情報数理コース)
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Frobenius base change of torsors2018

    • Author(s)
      K. Mitsui
    • Organizer
      新潟代数セミナー, 新潟大学
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Logarithmic good reduction and the index2018

    • Author(s)
      K. Mitsui
    • Organizer
      名古屋大学代数幾何セミナー
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Canonical bundle formula and base change2018

    • Author(s)
      K. Mitsui
    • Organizer
      Workshop, 蘇州大学 江蘇省 中国
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Logarithmic good reduction and the index2018

    • Author(s)
      K. Mitsui
    • Organizer
      ホッジ理論と代数幾何学, 東京電気大学
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Log deformations of VNC Calabi-Yau varieties2018

    • Author(s)
      佐野 太郎
    • Organizer
      代数セミナー, 東北大学
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Log deformations of VNC Calabi-Yau varieties2018

    • Author(s)
      Taro Sano
    • Organizer
      Positivity in algebraic geometry, Yonsei大学
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] On deformations of log Calabi-Yau varieties2018

    • Author(s)
      佐野 太郎
    • Organizer
      談話会, 埼玉大学
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] On log deformations of Calabi-Yau varieties2018

    • Author(s)
      佐野 太郎
    • Organizer
      ホッジ理論と代数幾何学, 東京電機大学
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] 対数的Calabi-Yau多様体の変形について2018

    • Author(s)
      佐野 太郎
    • Organizer
      東京工業大学代数学シンポジウム
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Effective non-vanishing for weighted complete intersections2018

    • Author(s)
      佐野 太郎
    • Organizer
      射影多様体の幾何とその周辺 2018, 高知工科大学
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Construction of Calabi-Yau manifolds by log deformation theory2018

    • Author(s)
      佐野 太郎
    • Organizer
      神戸大学代数セミナー
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Construction of non-K\"{a}hler Calabi-Yau 3-folds by smoothing normal crossing varieties2018

    • Author(s)
      佐野 太郎
    • Organizer
      Birational geometry and related topics, Fudan university (SCMS), Shanghai, china
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Construction of non-K\"{a}hler Calabi-Yau 3-folds by log deformations2018

    • Author(s)
      Taro Sano
    • Organizer
      Algebraic Geometry seminar, University of Warwick, UK
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Construction of non-K\"{a}hler Calabi-Yau 3-folds by smoothing normal crossing varieties2018

    • Author(s)
      Taro Sano
    • Organizer
      Geometry & Mathematical Physics seminar, Loughborough university, UK
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Explicit geometric structures of moduli spaces of parabolic connections and parabolic Higgs bundles over a curve2018

    • Author(s)
      M.-H. SAITO
    • Organizer
      Algebraic Geometry Seminar, Tata Institute of Fundamental Research, Mumbai, India
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Theory and applications of the elliptic Painlev\'e equation2018

    • Author(s)
      Y.Yamada
    • Organizer
      The international winter school "Partition Functions and Automorphic Forms", JINR, Russia
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Periodic monopoles and difference modules2018

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Riemann-Hilbert correspondences, パドヴァ大学, Italy
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 周期的モノポールと差分加群の間のKobayashi-Hitchin対応について2018

    • Author(s)
      望月拓郎
    • Organizer
      多弦数理物理学セミナー, 名古屋大学
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Periodic monopoles and difference modules2018

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Complex Analytic Geometry 2018, Tata TIFR, Mumbai, India
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] $BC_n$ 型補間函数の話題から2018

    • Author(s)
      野海 正俊
    • Organizer
      研究集会「琉球超幾何ワークショップ」(金子65), 琉球大学
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] 楕円ガンマ函数と楕円超幾何函数2018

    • Author(s)
      野海 正俊
    • Organizer
      研究集会「多重三角函数とその一般化, 神戸大学
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] $G_2$ 型 Weyl 群不変な $q$ 超幾何積分の行列式公式2018

    • Author(s)
      伊藤雅彦・宮永愛子・野海 正俊
    • Organizer
      日本数学会2018年度年会, 東京大学
    • Related Report
      2017 Annual Research Report
  • [Presentation] Symmetry and moduli for harmonic maps2018

    • Author(s)
      Yoshihiro Ohnita
    • Organizer
      Geometry of Submanifolds and Integrable Systems, 大阪市立大学
    • Related Report
      2017 Annual Research Report
  • [Presentation] 超幾何級数の離散鞍点法とその応用2018

    • Author(s)
      岩﨑 克則
    • Organizer
      超幾何方程式研究会 2018, 神戸大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Effective non-vanishing for weighted complete intersections,2018

    • Author(s)
      佐野太郎
    • Organizer
      Higher dimensional algebraic geometry, 東京大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Katz theory on rigid local systems and its extension to KZ equations2018

    • Author(s)
      Yoshishige Haraoka
    • Organizer
      Seminar, Geometry and Mathematical Physics, SISSA, Trieste, Italy
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Middle convolution for logarithmic forms2018

    • Author(s)
      原岡喜重
    • Organizer
      研究集会「複素領域における関数方程式とその周辺」, 広島大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Movable vs monodromy nilpotent cones of Calabi-Yau manifolds2018

    • Author(s)
      Shinobu Hosono
    • Organizer
      Focus Semester on Homological Mirror Symmetry (Harvard University, USA)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Frobenius base change of torsors2018

    • Author(s)
      Kentaro Mitsui
    • Organizer
      正標数の代数幾何とその関連する話題, 法政大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Logarithmic good reduction and the index2018

    • Author(s)
      Kentaro Mitsui
    • Organizer
      Log geometry, degenerations and related topics, 神戸大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Frobenius base change of torsors2018

    • Author(s)
      Kentaro Mitsui
    • Organizer
      野田代数幾何学シンポジウ2018, 東京理科大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Cremona transformations preserving a Cremona sextic2018

    • Author(s)
      Shigeru Mukai
    • Organizer
      パリ大学合同代数幾何学セミナー
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Towards the classification of symplectic singularities2018

    • Author(s)
      Y. Namikawa
    • Organizer
      Higher dimensional algebraic geometry, 東京大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Introduction to exact WKB analysis and Borel summability of WKB solutions2018

    • Author(s)
      Tatsuya Koike
    • Organizer
      MS Seminar at IPMU, 東京大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Unfolding of the moduli space of unramified irregular connections2018

    • Author(s)
      稲場 道明
    • Organizer
      熊本代数幾何セミナー, 熊本大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Geometry of moduli spaces of connections and Higgs bundles over curves and Integrable Systems2017

    • Author(s)
      M.-H. Saito
    • Organizer
      モジュライ空間の幾何学と可積分系, 学習院大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Moduli spaces of connections and Higgs bundles over curves and Geometric Theory of equations of Painlev\'e type2017

    • Author(s)
      M.-H. Saito
    • Organizer
      Workshop "Exceptional and ubiquitous Painlev\'e equations for Physics, LPT-ENS, Paris, France
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Geometry of moduli space of parabolic connections with irregular singularities on curves2017

    • Author(s)
      M.-H. SAITO
    • Organizer
      Hodge Theory, Stokes Phenomenon and Applications, CIRM, Luminy, France
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Geometric formulation of discrete Painlev\'e equations2017

    • Author(s)
      Y.Yamada
    • Organizer
      Workshop "Geometric Correspondences of Gauge Theories", SISSA, Trieste, Italy
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 「パンルヴェ方程式の幾何と対称性」2017

    • Author(s)
      山田泰彦
    • Organizer
      Workshop “Exceptional Groups as Symmetries of Nature '17", KEK
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Geometric aspects of discrete Painlev\'e equations2017

    • Author(s)
      Y.Yamada
    • Organizer
      Workshop“Exceptional and ubiquitous Painleve\'e equations for Physics", LPT-ENS, Paris, France
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 「ゲージ理論とガルニエ系」2017

    • Author(s)
      山田泰彦
    • Organizer
      駒場研究会「弦・場・素粒子」, 東京大学
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Jeu de taquin と超離散戸田方程式2017

    • Author(s)
      筧三郎, 上岡修平, 太田 泰広
    • Organizer
      日本応用数理学会 2017年度年会, 武蔵野大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Semi-discrete analogues of the complex short pulse and coupled complex short pulse equations based on the KP hierarchy reduction2017

    • Author(s)
      Baofeng Feng and Yasuhiro Ohta
    • Organizer
      AMS Sectional Meeting (Fall Central Sectional Meeting), Denton (USA)
    • Related Report
      2017 Annual Research Report
  • [Presentation] 可積分系における rogue wave 解の数理的構造2017

    • Author(s)
      太田泰広
    • Organizer
      RIMS共同研究(公開型)「非線形波動現象の数理とその応用」, 京都大学
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Twistor D-modules and some examples2017

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Hodge Theory, Stokes Phenomenon and Applications, Luminy, CIRM, France
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] A Hukuhara-Levelt-Turrittin type theorem2017

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Developments of mathematics at IPMU: in honor of Kyoji Saito, IPMU, 東京大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Mixed twistor D-modules and some examples2017

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Higgs bundles and related topics, Nice, France
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Mixed twistor D-modules and some examples2017

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Algebraic Analysis, IHES, France
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Decomposition theorem for semisimple algebraic holonomic D-modules2017

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Members Seminar, プリンストン高等研究所, USA
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Wild harmonic bundles and related topics2017

    • Author(s)
      Takuro Mochizuki
    • Organizer
      講義, プリンストン高等研究所, USA
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] ヒッグス束や接続の小林-ヒッチン対応について2017

    • Author(s)
      望月拓郎
    • Organizer
      岡シンポジウム, 奈良女子大学
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Asymptotic behaviour of certain families of harmonic bundles on Riemann surfaces2017

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Shafarevich seminar, ステケロフ研究所, Russia
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Asymptotic behaviour of certain families of harmonic bundles on Riemann surfaces2017

    • Author(s)
      Takuro Mochizuki
    • Organizer
      Landau-Ginzburg models and application, ステケロフ研究所, Russia
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Moduli of stable sheaves on Enriques surfaces2017

    • Author(s)
      K. Yoshioka
    • Organizer
      Japanese-Europian Symposium on Symplectic Varieties and Moduli Spaces, Levico-Terme, Italy
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Singularities of semi-discrete linear Weingarten surfaces2017

    • Author(s)
      W. Rossman
    • Organizer
      大阪市立大学「微分幾何学セミナー」
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Discrete Painlev\'{e} equations and special functions,2017

    • Author(s)
      M. Noumi
    • Organizer
      ESI workshop: ``Elliptic Hypergeometic Functions in Combinatorics, Integrable Systems and Physics'', Erwin Schro¨dinger Institute, Vienna, Austria
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Elliptic difference Painlev\'{e} equation and elliptic hypergeometric integrals,2017

    • Author(s)
      M. Noumi
    • Organizer
      ``XXVth International Conference on Integrable Systems and Quantum Symmetries'', Erwin Schro¨dinger Institute,Czech Technical University, Prague
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Selberg 型 $BC_n$ 楕円超幾何積分の行列式公式2017

    • Author(s)
      伊藤雅彦・野海正俊
    • Organizer
      日本数学会2016年度秋季総合分科会, 山形大学
    • Related Report
      2017 Annual Research Report
  • [Presentation] 楕円超幾何積分に付随する行列式公式2017

    • Author(s)
      野海 正俊
    • Organizer
      琉球大学理学部数学教室談話会
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Selberg 型楕円超幾何積分2017

    • Author(s)
      野海 正俊
    • Organizer
      研究集会「複素微分方程式の楽しみ」, 熊本大学理学部
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] On variations of Selberg integrals2017

    • Author(s)
      M. Noumi
    • Organizer
      KTH Theoretical Physics Seminar, Stock- holm, Sweden
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Classification of minimal orbits of the Hermann action satisfying Koike's conditions2017

    • Author(s)
      Y.Ohnita
    • Organizer
      The 21st International Workshop on Hermitian Symmetric Spaces and Submanifolds & The 14th RIRCM-OCAMI Joint Differential Geometry Workshop, Kyungpook National University, Daegu (Korea)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Classification of minimal orbits of the Hermann action satisfying Koike's conditions2017

    • Author(s)
      大仁田義裕
    • Organizer
      福岡大学微分幾何研究集会
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 小池の条件を満たすHermann作用の軌道の分類について2017

    • Author(s)
      大仁田義裕
    • Organizer
      部分多様体論・湯沢2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Approach from hypersurface geometry to the Floer theory on Lagrangian intersections2017

    • Author(s)
      Reiko Miyaoka, Yoshihiro Ohnita
    • Organizer
      Differential Geometry and Differential Equations:the influence of Mirror Symmetry and Physics, 早稲田大学西早稲田キャンバス
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] On the classification of algebraic varieties2017

    • Author(s)
      森重文
    • Organizer
      Warwick大学数学談話会, Warwick 大学, UK
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Extremal contractions of dimension three with fiber dimension 12017

    • Author(s)
      森重文
    • Organizer
      SIMONS CONFERENCE IN MATHEMATICS AND PHYSICAL SCIENCES (BIRATIONAL GEOMETRY), サイモンズ財団, New York, USA
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] On the classification of algebraic varieties2017

    • Author(s)
      森重文
    • Organizer
      75 Years of Mathematics in Mexico, メキシコ国立大学数学研究所, Mexico
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] On the classification of algebraic varieties2017

    • Author(s)
      森重文
    • Organizer
      Kavli IPMU談話会, 東京大学 Kavli IPMU
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Effective non-vanishing for weighted complete intersections2017

    • Author(s)
      佐野太郎
    • Organizer
      The 4-th Seoul Seminar on Algebraic Geometry, Pangyo, (Korea)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Effective non-vanishing for weighted complete intersections,2017

    • Author(s)
      佐野太郎
    • Organizer
      代数セミナー(神戸大学)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Effective non-vanishing for weighted complete intersections,2017

    • Author(s)
      佐野太郎
    • Organizer
      代数セミナー(広島大学)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Modularity of Gromov-Witten potentials of the local projective plane2017

    • Author(s)
      Hiroshi Iritani
    • Organizer
      Categorical and Analytic Invariants in Algebraic Geometry V, 大阪大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Middle convolution of monodromy for KZ type equation2017

    • Author(s)
      Yoshishige Haraoka
    • Organizer
      「Formal and Analytic Solutions of Diff. Equations (FASdiff17)」, Alcal\'a de Henares, Spain
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] KZ方程式に対する乗法的 middle convolution2017

    • Author(s)
      原岡喜重
    • Organizer
      第6回北海道特殊関数セミナー
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] アクセサリー・パラメーターを持たない方程式,持つ方程式2017

    • Author(s)
      原岡喜重
    • Organizer
      研究集会「複素微分方程式の楽しみ」, 熊本大学
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Mirror symmetry and birational geometry of CICYs2017

    • Author(s)
      Shinobu Hosono
    • Organizer
      The 99th Encounter between Mathematics and Thoretical Physics, IRMA (France)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Gluing monodromy nilpotent cones in mirror symmetry of Calabi-Yau manifolds2017

    • Author(s)
      Shinobu Hosono
    • Organizer
      Workshop on Calabi-Yau Manifolds; Arithmetic, Geometry and Physics (学習院大学)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Movable vs monodromy nilpotent cones of Calabi-Yau manifolds2017

    • Author(s)
      Shinobu Hosono
    • Organizer
      Algebraic Geometry and Symplectic Geometry at Crossroads (京都大学)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Movable vs monodromy nilpotent cones in mirror symmetry of Calabi-Yau manifolds2017

    • Author(s)
      Shinobu Hosono
    • Organizer
      Categorical and Analytic Invariants in Algebraic Geometry (大阪大学)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] GKZ hypergeometric systems in mirror symmetry of CICY manifolds2017

    • Author(s)
      Shinobu Hosono
    • Organizer
      Master Lectures --The Legacy of Carl Friedrich Gauss, TSIMF, Sanya (China)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Some geometric properties of log smooth degenerations2017

    • Author(s)
      Arne Smeets, Kentaro Mitsui
    • Organizer
      Seminar Algebraic Geometry, Max Planck Institute for Mathematics, ボン(ドイツ)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Models of torsors under elliptic curves2017

    • Author(s)
      Kentaro Mitsui
    • Organizer
      東京理科大学談話会
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Enriques surfaces whose automorphism groups are virtually free2017

    • Author(s)
      Shigeru Mukai
    • Organizer
      Developments of mathematics at IPMU in honor of Kyoji Saito, IPMU
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Coble surfaces whose automorphism groups are virtually free2017

    • Author(s)
      Shigeru Mukai
    • Organizer
      Complex Geometry, Dynamical Systems and Foliation Theory, NUS, Singapore(Singapore)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Coble surfaces and their automorphism groups2017

    • Author(s)
      Shigeru Mukai
    • Organizer
      Algebraic Geometry Conference (in honor of Arnaud Beauville's 70th birthday), 北京(中華人民共和国)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Coble surfaces and their automorphism groups2017

    • Author(s)
      Shigeru Mukai
    • Organizer
      K3 Surfaces and Related Topics, 名古屋大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Towards the classification of symplectic singularities2017

    • Author(s)
      Y. Namikawa
    • Organizer
      Japanese-European Symposium on symplectic varieties and moduli spaces, Levico-Terme, Italy
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Towards the classification of symplectic singularities2017

    • Author(s)
      Y. Namikawa
    • Organizer
      Algebraic Geometry and Symplectic Geometry at crossroads, 京都大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Poisson deformations and birational geometry2017

    • Author(s)
      Y. Namikawa
    • Organizer
      Master Lectures -Quotients, Stability and Invariants, TSIMF, Sanya, China
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Towards the classification of symplectic singularities2017

    • Author(s)
      Y. Namikawa
    • Organizer
      Master Lectures -the Legacy of Carl Friedrich Gauss-TSIMF, Sanya, China
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] (合流型) 超幾何微分方程式の Voros 係数の位相的漸化式による表示とその応用2017

    • Author(s)
      岩木耕平、小池達也、竹井優美子
    • Organizer
      日本数学会関数方程式論分科会, 山形大学
    • Related Report
      2017 Annual Research Report
  • [Presentation] On Voros coefficients in exact WKB analysis2017

    • Author(s)
      Tatsuya Koike
    • Organizer
      RIMS-iTHEMS International Workshop on Resurgence Theory, 理化学研究所
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] An Introduction to Voros coefficients in exact WKB analysis and its recent depelopments2017

    • Author(s)
      Tatsuya Koike
    • Organizer
      Geometric Structures Laboratory Seminar, University of Toronto
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Irregular conformal blocks and Painleve tau functions2017

    • Author(s)
      名古屋 創
    • Organizer
      The XXVth International Conference on Integrable Systems and Quantum symmetries, プラハ(チェコ)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] CFT approach to q-difference Painleve equations2017

    • Author(s)
      名古屋 創
    • Organizer
      Differential Geometry and Differential Equations:the influence of Mirror Symmetry and Physics, 早稲田大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Moduli space of parabolic connections, isomonodromic deformation and compactification problem2017

    • Author(s)
      稲場 道明
    • Organizer
      モジュライ空間の幾何学と可積分系, 学習院大学
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 分配束に付随するイデアルのグレブナー基底と統計モデル2017

    • Author(s)
      青木敏, 日比孝之
    • Organizer
      統計関連学会連合大会, 南山大学 (名古屋)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Book] Two Algebraic Byways from Differential Equations: Groebner Bases and Quivers2020

    • Author(s)
      Iohara, K., Malbos, P., Saito, M.-H., Takayama, N. (Eds.)
    • Total Pages
      371
    • Publisher
      Springer International Publishing,
    • ISBN
      9783030264536
    • Related Report
      2019 Annual Research Report
  • [Book] The 22nd International Workshop on Differential Geometry and Submanifolds in Symmetric Spaces and Related Problems2019

    • Author(s)
      Young Jin Suh, Yoshihiro Ohnita, Jiazu Zhou, Byung (Eds.)
    • Total Pages
      278
    • Publisher
      Kyungpook National University (Daegu)
    • Related Report
      2019 Annual Research Report
  • [Book] 基礎系 数学 確率・統計II2018

    • Author(s)
      青木敏,竹村彰通.
    • Publisher
      工学教程.丸善出版
    • ISBN
      9784621302705
    • Related Report
      2017 Annual Research Report
  • [Book] Differential Geometry of Curves and Surfaces2017

    • Author(s)
      M. Umehara, K. Yamada (Syokabo). 翻訳者:Wayne Rossman
    • Total Pages
      328
    • Publisher
      World Scientific Publishing Co.
    • ISBN
      9789814740234
    • Related Report
      2017 Annual Research Report
  • [Book] Hermitian-Grassmannian Submanifolds, Daegu, Korea, July 2016.2017

    • Author(s)
      Young Jin Suh, Yoshihiro Ohnita, Jiazu Zhou, Byung Hak Kim, Hyunjin Lee
    • Total Pages
      360
    • Publisher
      Springer Proceedings in Mathematics and Statistics 203
    • ISBN
      9789811055553
    • Related Report
      2017 Annual Research Report
  • [Remarks] 齋藤政彦ホームページ

    • URL

      http://www2.kobe-u.ac.jp/~mhsaito/ftop-j.html

    • Related Report
      2019 Annual Research Report 2018 Annual Research Report 2017 Annual Research Report
  • [Funded Workshop] Geometry and Integrable Systems2019

    • Related Report
      2019 Annual Research Report
  • [Funded Workshop] Moduli Spaces, Representation Theory and Quantization2019

    • Related Report
      2019 Annual Research Report
  • [Funded Workshop] Mini Workshop on Geometry of Moduli Spaces2019

    • Related Report
      2019 Annual Research Report
  • [Funded Workshop] Degenerations, algebraic surfaces and related topics2019

    • Related Report
      2019 Annual Research Report
  • [Funded Workshop] Arithmetic and Algebraic Geometry 20192019

    • Related Report
      2018 Annual Research Report
  • [Funded Workshop] Toric geometry, degenerations and related topics2019

    • Related Report
      2018 Annual Research Report
  • [Funded Workshop] The 2nd International Conference Geometry of Submanifolds and Integrable Systems2019

    • Related Report
      2018 Annual Research Report
  • [Funded Workshop] Kinosaki Algebraic Geometry Symposium 20182018

    • Related Report
      2018 Annual Research Report
  • [Funded Workshop] D-modules, quantum geometry and related topics2018

    • Related Report
      2018 Annual Research Report
  • [Funded Workshop] Conformal Field theory, Isomonodoromic tau-functions and Painlev\'e equations, 20182018

    • Related Report
      2018 Annual Research Report
  • [Funded Workshop] Workshop: Log geometry, degenerations and related topics, 神戸大学2018

    • Related Report
      2017 Annual Research Report
  • [Funded Workshop] Geometry of moduli spaces and integrable systems, 学習院大学2017

    • Related Report
      2017 Annual Research Report
  • [Funded Workshop] Conformal field theory, isomonodromy tau-functions and Painlev\'e equations, 神戸大学2017

    • Related Report
      2017 Annual Research Report

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Published: 2017-06-01   Modified: 2023-03-16  

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