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Geometry of twistor spaces

Research Project

Project/Area Number 18340017
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Geometry
Research InstitutionOsaka University

Principal Investigator

FUJIKI Akira  Osaka University, 大学院・理学研究科, 教授 (80027383)

Co-Investigator(Kenkyū-buntansha) MABUCHI Toshiki  大阪大学, 大学院・理学研究科, 教授 (80116102)
SAKANE Yusuke  大阪大学, 大学院・情報科学研究科, 教授 (00089872)
USUI Sanpei  大阪大学, 大学院・理学研究科, 教授 (90117002)
MIYANISHI Masayoshi  関西学院大学, 理工学部, 教授 (80025311)
ENOKI Ichiro  大阪大学, 大学院・理学研究科, 准教授 (20146806)
NAMIKAWA Yoshinori  京都大学, 大学院・理学研究科, 教授 (80228080)
GOTO Ryushi  大阪大学, 大学院・理学研究科, 准教授 (30252571)
OHYAMA Yousuke  大阪大学, 大学院・情報科学研究科, 准教授 (10221839)
HONDA Nobuhiro  東京工業大学, 大学院・理工学研究科, 准教授 (60311809)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥8,840,000 (Direct Cost: ¥7,400,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2008: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2007: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2006: ¥2,600,000 (Direct Cost: ¥2,600,000)
Keywordsツイスター空間 / 自己双対多様体 / 複素多様体 / VII型曲面 / 井上曲面 / 反自己双対多様体 / 双エルミート構造
Research Abstract

いわゆるペンローズ対応により, 反自己双対多様体とよばれる4次元の実多様体とツイスター空間とよばれる3次元の複素多様体の間に, 幾何学的な等価関係がある. しかし, これらの具体例を構成することは一般には大変困難である. 本研究では, このような新しい具体例を, 4次元実多様体上に, 近年着目を集めている双エルミート構造を付加する形で組織的に構成した. 得られた例は非ケーラーであり, ルブランの20年前の例を大きく一般化するものである.

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (80 results)

All 2009 2008 2007 2006 Other

All Journal Article (41 results) (of which Peer Reviewed: 11 results) Presentation (37 results) Book (2 results)

  • [Journal Article] Poisson structures and general -ized Kaehler submanifolds2009

    • Author(s)
      R. Goto
    • Journal Title

      J. Math. Soc. Japan 61

      Pages: 107-132

    • Related Report
      2008 Final Research Report
  • [Journal Article] Smoothness of the images of the members of a linear pencil under an endomorphism of the affine plane2009

    • Author(s)
      Miyanishi, M.
    • Journal Title

      Journal of Pure and Applied Algebra 213

      Pages: 711-723

    • Related Report
      2008 Final Research Report
  • [Journal Article] Jacobian problem for singular surfaces2009

    • Author(s)
      Gurjar, R.V., and Miyanishi, M.
    • Journal Title

      J. Math. Kyoto Univ. 48

    • Related Report
      2008 Final Research Report
  • [Journal Article] Classifying spaces of degenerating mixed Hodge structures, I : Borel Serre spaces in"Algebraic Analysis and Around'" in honor of Prof.2009

    • Author(s)
      Kato, K., Nakayama, C. and Usui, S.
    • Journal Title

      M. Kashiwara's 60th birthday, Advanced Studies in Pure Math. 54, Math. Soc. Japan

      Pages: 187-222

    • Related Report
      2008 Final Research Report
  • [Journal Article] An energy theoretic approach to the Kobayashi-Hitchin correspondence to for manifolds, II.2009

    • Author(s)
      T. Mabuchi
    • Journal Title

      Osaka Journal of Mathematics 46(To appear)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Generic Torelli theorem for quintic-mirror family2008

    • Author(s)
      Usui, S.
    • Journal Title

      Proc. Japan Acad., Ser. A vol 84A(8)

      Pages: 143-146

    • Related Report
      2008 Final Research Report
  • [Journal Article] SL(2)-orbit theorem for degeneration of mixed Hodge structure2008

    • Author(s)
      Kato, K., Nakayama, C. and Usui, S.
    • Journal Title

      J. Alg. Geom 17

      Pages: 401-479

    • NAID

      120006732763

    • Related Report
      2008 Final Research Report
  • [Journal Article] Birational geometry and deformations of nilpotent orbits2008

    • Author(s)
      Y. Namikawa
    • Journal Title

      Duke Math. J. vol.143

      Pages: 375-405

    • Related Report
      2008 Final Research Report
  • [Journal Article] Flops and Poisson deformations of symplectic varieties2008

    • Author(s)
      Y. Namikawa
    • Journal Title

      Publ. RIMS, Kyoto Univ. vol.44

      Pages: 259-314

    • Related Report
      2008 Final Research Report
  • [Journal Article] Bihermitian anti-self-dual structures on compact non-Kaeler surfaces2008

    • Author(s)
      A. Fujiki
    • Journal Title

      In : Complex Geometry in Osaka, Lecture Notes Ser. in Math 9

      Pages: 147-151

    • Related Report
      2008 Final Research Report
  • [Journal Article] On a construction of the twistor spaces of Joyce metrics2008

    • Author(s)
      N. Honda
    • Journal Title

      J. Algebraic Geom 17

      Pages: 709-750

    • NAID

      120003728346

    • Related Report
      2008 Final Research Report
  • [Journal Article] Double solid twistor spaces : the case of arbitrary signature2008

    • Author(s)
      N. Honda
    • Journal Title

      Invent. Math 174

      Pages: 463-504

    • Related Report
      2008 Final Research Report
  • [Journal Article] ツイスター空間と自己双対計量2008

    • Author(s)
      本多宣博
    • Journal Title

      数学(岩波書店) 60

      Pages: 380-398

    • NAID

      130004558872

    • Related Report
      2008 Final Research Report
  • [Journal Article] G_a-actions and com-pletions2008

    • Author(s)
      Miyanishi, M
    • Journal Title

      J. Algebra 319

      Pages: 2845-2854

    • Related Report
      2008 Final Research Report
  • [Journal Article] Bihermitian anti-self-dual structures on compact non-Kaeler surfaces2008

    • Author(s)
      A. Fujiki
    • Journal Title

      Lecture Notes in Math. 9

      Pages: 137-151

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Chow stability and Hilbert stability in Mumford's geome tric invariant theory2008

    • Author(s)
      T. Mabuchi
    • Journal Title

      Osaka Journal of Mathematics 45

      Pages: 833-846

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Affine lines on affine surfaces and the Makar-Limanov in invariant2008

    • Author(s)
      Masayoshi Miyanishi,.
    • Journal Title

      Canad. J. Math. 60

      Pages: 109-139

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Compact non-Kaehler three-folds with SL_2(C)-actions2007

    • Author(s)
      A. Fujiki
    • Journal Title

      Workshop on complex geometry and group actions (Niigata-shi)

      Pages: 33-41

    • Related Report
      2008 Final Research Report
  • [Journal Article] Twistor lines on Nagata threefold2007

    • Author(s)
      N. Honda
    • Journal Title

      J. Math. Kyoto Univ. 47

      Pages: 837-848

    • Related Report
      2008 Final Research Report
  • [Journal Article] Self-dual metrics and twenty-eight bitangents2007

    • Author(s)
      N. Honda
    • Journal Title

      J. Differential Geom. 75

      Pages: 175-258

    • Related Report
      2008 Final Research Report
  • [Journal Article] Equivariant deformations of LeBrun's self-dual metric with torus action2007

    • Author(s)
      N. Honda
    • Journal Title

      Proc. Amer. Math. Soc. 135

      Pages: 495-505

    • Related Report
      2008 Final Research Report
  • [Journal Article] Rational transformations of confluent hypergeometric equations and algebraic solutions of the Painleve equations : P1 to P5, RIMS Kokyuroku Bessatsu B22007

    • Author(s)
      Y. Ohyama
    • Journal Title

      Algebraic, Analytic and Geometric Aspects of Complex Differential Equations and their Deformations. Painleve Hierarchies

      Pages: 137-150

    • Related Report
      2008 Final Research Report
  • [Journal Article] Fifth Painleve transcendents which are analytic at the origin2007

    • Author(s)
      Y. Ohyama and K. Kazuo
    • Journal Title

      Funkcial. Ekvac. 50

      Pages: 187-212

    • NAID

      130000140686

    • Related Report
      2008 Final Research Report
  • [Journal Article] Self-dual metrics and twenty-eight bitangents2007

    • Author(s)
      Nobuhiro Honda
    • Journal Title

      J. Differential Geom. 75

      Pages: 175-258

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Equivariant deformations of LeBrun's self-dual metric with torus action2007

    • Author(s)
      Nobuhiro Honda
    • Journal Title

      Proc. Amer. Math. Soc. 135

      Pages: 495-505

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Recent developments in affine algebraic geometry2007

    • Author(s)
      Masayoshi Miyanishi
    • Journal Title

      Osaka Univ. Press

      Pages: 307-378

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Q-factorial subalgebras of polynomial rings2007

    • Author(s)
      Masayoshi Miyanishi
    • Journal Title

      Acta Mathematica Vietnamica 32

      Pages: 113-122

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Rational transformations of confluent hypergeometric equations and algebraic solutions of the Painleve equations: Pl to P52007

    • Author(s)
      Yohsuke Ohyama
    • Journal Title

      RIMS Kokyuroku Bessatsu B2

      Pages: 137-150

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fifth Painleve transcendents which are analytic at the origin2007

    • Author(s)
      Yousuke Ohyama et K. Kaneko
    • Journal Title

      Funkcial. Ekvac. 50

      Pages: 187-212

    • NAID

      130000140686

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Images of extended period maps2006

    • Author(s)
      Usui, S.
    • Journal Title

      J. Alg. Geom. vol 15

      Pages: 603-621

    • NAID

      120006732762

    • Related Report
      2008 Final Research Report
  • [Journal Article] Studies on the Painleve equation V, third Painleve equations of special type PIII(D7) and PIII(D8)2006

    • Author(s)
      Y. Ohyama, H. Kawamuko, H. Sakai and K. Okamoto
    • Journal Title

      J. Math. Sci. Univ Tokyo 13

      Pages: 145-204

    • Related Report
      2008 Final Research Report
  • [Journal Article] Non-Moishezon twistor spaces of 4CP^2 with non-trivial automorphism group2006

    • Author(s)
      Honda, Nobuhiro
    • Journal Title

      Trans. Amer. Math. Soc. 358・5

      Pages: 603-621

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Equivariant deformations of Lebrun's self-dual metrics with torus action2006

    • Author(s)
      Honda, Nobuhiro
    • Journal Title

      Proc. Amer. Math. Soc. 135・2

      Pages: 495-505

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Images of extended period maps2006

    • Author(s)
      Usui, S.
    • Journal Title

      J. Algebraic Geom. 15・4

      Pages: 603-621

    • NAID

      120006732762

    • Related Report
      2006 Annual Research Report
  • [Journal Article] A geometric approach to the Jacobian conjecture in dimension two2006

    • Author(s)
      Miyanishi, Masayoshi
    • Journal Title

      J. Algebra 304・2

      Pages: 1014-1025

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Affine pseudo-planes with torus actions2006

    • Author(s)
      Miyanishi, Masayoshi, Masuda, Kayo
    • Journal Title

      Transform. Groups 11・2

      Pages: 249-267

    • Related Report
      2006 Annual Research Report
  • [Journal Article] A new series of compact mini-twistor spaces and Moishezon twistor spaces over them to appear in J

    • Author(s)
      N. Honda
    • Journal Title

      Reine angew. Math.

    • Related Report
      2008 Final Research Report
  • [Journal Article] Explicit construction of new Moishezon twistor spaces, to appear in J, Lifting of locally nilpotent derivations under finite homomorphisms

    • Author(s)
      N. Honda, Masuda, K., and Miyanishi, M.
    • Journal Title

      Differential Geom math, to appear in Tohoku Math. J. DG/0701278

    • Related Report
      2008 Final Research Report
  • [Journal Article] Additive group scheme actions on the integral schemes defined over discrete valuation rings, to appear in J.

    • Author(s)
      Miyanishi, M.
    • Journal Title

      Algebra, a special issue for Professor Paul Roberts (in press)

    • Related Report
      2008 Final Research Report
  • [Journal Article] Flops and Poisson deformations of symplectic varieties

    • Author(s)
      Yoshinori Namikawa
    • Journal Title

      Publ. RIMS (Hironaka's 77-th birthday issue) (To appear)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] SL(2)-orbit theorem for degeneration of mixed Hodge structure

    • Author(s)
      Sanpei Usui
    • Journal Title

      J. Algebraic Geom. (To appear)

    • NAID

      120006732763

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Generalized Kaehler geometry and Holomorphic Poisson structures2009

    • Author(s)
      後藤竜司
    • Organizer
      研究集会幾何構造の諸相
    • Place of Presentation
      名城大学
    • Year and Date
      2009-03-03
    • Related Report
      2008 Final Research Report
  • [Presentation] Unobstructed deformations on holomorphic Poisson manifolds and generalized Kaehler structures2009

    • Author(s)
      R. Goto
    • Organizer
      Mini-workshop on complex differential geometry
    • Place of Presentation
      Osaka Univ.
    • Year and Date
      2009-01-29
    • Related Report
      2008 Final Research Report
  • [Presentation] Non-upper semi-continuity of algebraic dimension for families of compact complex surfaces2009

    • Author(s)
      A. Fujiki
    • Organizer
      Mini-workshop on complex differential geometry
    • Place of Presentation
      Osaka Univ.
    • Year and Date
      2009-01-28
    • Related Report
      2008 Final Research Report
  • [Presentation] Anti-self-dual bihermitian structures on compact complex surfaces of class VII2009

    • Author(s)
      A. Fujiki
    • Organizer
      Supersymmetry in complex geometry, IPMU
    • Year and Date
      2009-01-07
    • Related Report
      2008 Final Research Report
  • [Presentation] Holomorphic Poisson structures and deformations of generalized Kahler structure workshop : Supersymmetry in complex geometry, generalized complex structures2009

    • Author(s)
      R. Goto
    • Organizer
      generalized Kahler structures, symplectic and Hermitian structures on complex manifolds IPMU
    • Place of Presentation
      東京大学
    • Year and Date
      2009-01-07
    • Related Report
      2008 Final Research Report
  • [Presentation] Anti-self-dual bihermitian structures on compact complex surfaces of class VII2009

    • Author(s)
      A. Fujiki
    • Organizer
      Supersymmetry in complex geometry
    • Place of Presentation
      IPMU
    • Year and Date
      2009-01-07
    • Related Report
      2008 Annual Research Report
  • [Presentation] Deformations of generalized K\"ahler structures2008

    • Author(s)
      R. Goto
    • Organizer
      on holomorphic Poisson manifolds (第4回日中友好幾何学会議) Chern Institute of Mathematics
    • Place of Presentation
      Nankai University(南開大学)
    • Year and Date
      2008-12-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Anti-self-dual bihermitian structures on Inoue surfaces via twistor theory2008

    • Author(s)
      A. Fujiki
    • Organizer
      CIRGET Geometry and topology seminar, UQAM
    • Year and Date
      2008-11-14
    • Related Report
      2008 Final Research Report
  • [Presentation] Calabi's conjecture on non-compact, cylindrical K\"ahler manifolds2008

    • Author(s)
      Goto, R.
    • Organizer
      The 14th International Symposium on Complex Geometry
    • Place of Presentation
      菅平
    • Year and Date
      2008-10-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Generic Torelli Theorem for quintic-morror family by log Hodge theory2008

    • Author(s)
      S. Usui
    • Organizer
      GEOMETRY OF SINGULARITIES AND MANIFOLDS-KUSATSU 2008
    • Year and Date
      2008-09-12
    • Related Report
      2008 Final Research Report
  • [Presentation] Anti-self-dual bihermitian structures on Inoue surfaces2008

    • Author(s)
      A. Fujiki
    • Organizer
      Geometrie des varietes complexes III,CIRM
    • Year and Date
      2008-07-01
    • Related Report
      2008 Final Research Report
  • [Presentation] Moduli of polarized logarithmic Hodge structures and period maps, Regulators and Heights in Algebraic Geometry2008

    • Author(s)
      S. Usui
    • Organizer
      Pacific Institute for Math. Sci.
    • Place of Presentation
      Univ. of Alberta
    • Year and Date
      2008-04-16
    • Related Report
      2008 Final Research Report
  • [Presentation] Log Hodge structure and a geometric application2008

    • Author(s)
      S. Usui
    • Organizer
      Hodge Theory, Banff International Research Station
    • Year and Date
      2008-04-08
    • Related Report
      2008 Final Research Report
  • [Presentation] Anti-self-dual bihermitian structures on hyperbolic Inoue surfaces via twistor methods2008

    • Author(s)
      A. Fujiki
    • Organizer
      Complex Analysis and Complex Geometry Seminar
    • Place of Presentation
      Univ. of Houston
    • Year and Date
      2008-03-26
    • Related Report
      2008 Final Research Report
  • [Presentation] Poisson deformations and symplectic varieties2008

    • Author(s)
      Yoshinori Namikawa
    • Organizer
      UK-Japan Winter school, Algebraic and symplecticgeometry
    • Place of Presentation
      University of Warwick, England
    • Year and Date
      2008-01-08
    • Related Report
      2007 Annual Research Report
  • [Presentation] Poisson deformations and symplectic varieties2007

    • Author(s)
      Yoshinori Namikawa
    • Organizer
      Algebraic geometry and commutative algebra Tokyo
    • Place of Presentation
      東京大
    • Year and Date
      2007-12-14
    • Related Report
      2007 Annual Research Report
  • [Presentation] 藤木先生還暦記念研究集会, 大阪大学中之島センター2007

    • Author(s)
      Goto, R
    • Organizer
      Deformations of generalized K\"ahler structures, Poisson structures, and generalized K\"ahler submanifolds"
    • Year and Date
      2007-11-05
    • Related Report
      2008 Final Research Report
  • [Presentation] A generalization of double solid twistor spaces into arbitrary signature2007

    • Author(s)
      Nobuhiro Honda
    • Organizer
      Complex Geometry in Osaka
    • Place of Presentation
      大阪大学中之島センター
    • Year and Date
      2007-11-05
    • Related Report
      2007 Annual Research Report
  • [Presentation] Anti-self-dual bihermitian metrics on Inoue surfaces2007

    • Author(s)
      A. Fujiki
    • Organizer
      Complex Geometry in Osaka
    • Place of Presentation
      中ノ島センター
    • Year and Date
      2007-11-03
    • Related Report
      2008 Final Research Report
  • [Presentation] Anti-self-dual bihermitian metrics on Inoue surfaces2007

    • Author(s)
      藤木 明
    • Organizer
      Symposium: Complex Geometry in Osaka
    • Place of Presentation
      大阪中之島センター
    • Year and Date
      2007-11-03
    • Related Report
      2007 Annual Research Report
  • [Presentation] Generalization of double solid twistor spaces into arbitrary signature2007

    • Author(s)
      Nobuhiro Honda
    • Organizer
      The 13th International Symposium on Complex Geometry
    • Place of Presentation
      長野県菅平
    • Year and Date
      2007-10-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] Painleve transcendents with solvable monodromy2007

    • Author(s)
      Yousuke Ohyama
    • Organizer
      小研究会「Painleve afternoon2」
    • Place of Presentation
      英オックスフォード大学
    • Year and Date
      2007-09-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] Images of log period maps : Cases of varieties of general type and of varieties with trivial canonical bundle2007

    • Author(s)
      S. Usui
    • Organizer
      研究集会「高次元代数多様体とベクトル束の代数幾何学」
    • Place of Presentation
      九州大学数理学研究科
    • Year and Date
      2007-09-11
    • Related Report
      2008 Final Research Report
  • [Presentation] Images of log period maps: Cases of varieties of general type and of varieties with trivial canonical bundle2007

    • Author(s)
      臼井三平
    • Organizer
      研究集会 「高次元代数多様体とベクトル束の代数幾何学」
    • Place of Presentation
      九州大学数理学研究科
    • Year and Date
      2007-09-10
    • Related Report
      2007 Annual Research Report
  • [Presentation] Birational geometry for nilpotent orbits and Mukai flops2007

    • Author(s)
      Yoshinori Namikawa
    • Organizer
      Modular forms and Moduli spaces
    • Place of Presentation
      Saint-Petersburg, Russia
    • Year and Date
      2007-07-03
    • Related Report
      2007 Annual Research Report
  • [Presentation] Compact non-Kaehler threefolds with SL_2(C)-actions2007

    • Author(s)
      A. Fujiki
    • Organizer
      「複素幾何学と群作用」クロスパルにいがた
    • Year and Date
      2007-06-29
    • Related Report
      2008 Final Research Report
  • [Presentation] Compact non-Kaeler threefolds with SL_2C-actions2007

    • Author(s)
      藤木 明
    • Organizer
      研究集会:複素幾何学と群作用
    • Place of Presentation
      新潟国際友好会館
    • Year and Date
      2007-06-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] Explicit examples of algebraic twistor spaces2007

    • Author(s)
      Nobuhiro Honda
    • Organizer
      2007 Sogang Geometry and Complex Analysis Symposium
    • Place of Presentation
      Sogang University, Korea
    • Year and Date
      2007-05-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] Basics on compact hyperKaehler manifolds2007

    • Author(s)
      A. Fujiki
    • Organizer
      KIAS workshop on holomorphic symplectic geometry, PRIMA Conference
    • Year and Date
      2007-03-13
    • Related Report
      2008 Final Research Report
  • [Presentation] Twistor spaces with SL_2C-actions2007

    • Author(s)
      A. Fujiki
    • Organizer
      多変数関数論唐津シンポジウム
    • Place of Presentation
      唐津
    • Year and Date
      2007-01-27
    • Related Report
      2008 Final Research Report
  • [Presentation] Compact non-Kaehler manifolds associated to real hyperbolic manifolds,2006

    • Author(s)
      A. Fujiki
    • Organizer
      eometrie des Varietes complexes II, CIRM
    • Year and Date
      2006-10-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Polarized Log Hodge structures and 8 enlargements of Griffiths domain, Seminar「Complex Algebraic Geometry」2006

    • Author(s)
      S. Usui
    • Organizer
      高等研究所、プリンストン
    • Place of Presentation
      USA
    • Year and Date
      2006-09-27
    • Related Report
      2008 Final Research Report
  • [Presentation] Classifying spaces of degenerating (mixed) polarized Hodge structures, International Conference and Instructional2006

    • Author(s)
      Usui S.
    • Organizer
      Workshop : Geometry, Topology, Analysis of Locally Symmetric Spaces and Discrete Groups, Morningside Center of Mathematics
    • Place of Presentation
      北京
    • Year and Date
      2006-08-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Deformations of generalized Calabi-Yau, hyperKahler, G_2 and Spin(7) structures2006

    • Author(s)
      Goto, R.
    • Organizer
      University of Science and Technology of China Hefei, Huangshan, Pacific Rim Complex Geometry Conference
    • Year and Date
      2006-08-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Deformations of holomorphic symplectic structures I, II2006

    • Author(s)
      Goto, R.
    • Organizer
      部分多様体論のさらなる発展にむけてRIMS研究集会
    • Year and Date
      2006-07-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Log mixed Hodge theory and its geometric applications2006

    • Author(s)
      Usui, S.
    • Organizer
      代数幾何学シンポジウム
    • Place of Presentation
      佐渡
    • Year and Date
      2006-06-08
    • Related Report
      2008 Final Research Report
  • [Presentation] SL(2)-orbit theorem for degeneration of mixed Hodge structures and its geometric applications (with K. Kato and C. Nakayama)2006

    • Author(s)
      Usui, S.
    • Organizer
      The International Symposium on Singularity Theory and its Applications
    • Place of Presentation
      北京化工大学
    • Year and Date
      2006-05-10
    • Related Report
      2008 Final Research Report
  • [Book] Ann. Math. Studies, Princeton Univ. Press, Princeton, New Jersey2009

    • Author(s)
      Kato, K. and Usui, S.
    • Total Pages
      169
    • Publisher
      Classifying spaces of degenerating polarized Hodge structures
    • Related Report
      2008 Final Research Report
  • [Book] Classifying spaces of degenerating polarized Hodge structures2008

    • Author(s)
      Sampei Usui, Kazuya Kato
    • Total Pages
      309
    • Publisher
      Ann. Math. Studies, Princeton Univ. Press
    • Related Report
      2007 Annual Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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