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2021 Fiscal Year Annual Research Report

Geometric analysis on complex manifolds

Research Project

Project/Area Number 20H00116
Research InstitutionThe University of Tokyo

Principal Investigator

平地 健吾  東京大学, 大学院数理科学研究科, 教授 (60218790)

Project Period (FY) 2020-04-01 – 2025-03-31
Keywords多変数関数論 / アインシュタイン計量 / CR多様体 / ケーラー多様体 / ベルグマン核
Outline of Annual Research Achievements

多変数関数論葉山シンポジウム,函数論サマーセミナー,函数論シンポジウム,多変数函数論セミナーを対面で開催した.東京大学での複素解析幾何セミナーはハイブリッド形式でほぼ毎週開催した.平地健吾はCR多様体の多くの2次不変量の変分公式を導いた.高山茂晴はケーラー射と中野半正なベクトル束に対し,高次順像層がGriffiths半正なこと,最小拡張性をもつことを示した.辻元はケーラー多様体上の不変測度のp-ベルグマン核による近似を構成し,それを用いて多重標準系の直像の反正値性を示した.吉川謙一はEisenstein K3曲面の解析的捩率不変量を構成し,その不変量がモジュライ空間上のPeterssonノルムで与えられることを示した.山ノ井克俊は準アーベル多様体の部分多様体が対数的に一般型であれば擬小林双曲的であることを証明した.本多宣博はセグレ曲面から得られる実Einstein-Weyl多様体の微分幾何学的な性質について考察し,その上の空間的測地線がすべて閉じていることを示した.神本丈は局所ゼータ関数の解析接続や振動積分の漸近挙動に関して,特異点解消定理を用いて詳細な解析を行った.松村慎一は複素幾何に現れる様々な半正値性を研究した.松本佳彦は共形コンパクトEinstein多様体のあいだの写像に関する繰り込みエネルギーの概念を定式化し,それによる無限遠境界上の共形測地線の特徴づけを与えた.久本智之はKahler-Ricci流の幾何学的量子化について定式化し,Fano多様体の最適退化と関連づける研究を行った.千葉優作はボーア・ゾンマーフェルトラグランジュ部分多様体上の漸近的劣平均値定理がイソトロピックな部分多様体上でも成り立つかを考察した. 足立真訓は法束が正の余次元1正則葉層に関するBrunellaの予想を解決した.丸亀泰二は3次元CR多様体の非斉次アンビエント計量の一意性を考察した.

Current Status of Research Progress
Current Status of Research Progress

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

Reason

当該分野の主要な国際会議である多変数関数論葉山シンポジウムを「ベルグマン核生誕100年」をテーマとして,3年ぶりに対面で開催することができた.対面での国際的な研究打ち合わせの機会は多くはなかったが各々の研究は順調に進んでいる.

Strategy for Future Research Activity

コロナ禍で滞っていた若手研究者(大学院生を含む)の国際交流を再開するため海外での韓国での研究集会を開催する.多変数関数論葉山シンポジウムには,ここ3年間交流が難しかった中国およびインドからの講演者を招聘し,新しい国際共同研究の開始を促す.

  • Research Products

    (74 results)

All 2023 2022 Other

All Int'l Joint Research (2 results) Journal Article (19 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 17 results,  Open Access: 5 results) Presentation (52 results) (of which Int'l Joint Research: 27 results,  Invited: 46 results) Funded Workshop (1 results)

  • [Int'l Joint Research] Sun Yat-sen University(中国)

    • Country Name
      CHINA
    • Counterpart Institution
      Sun Yat-sen University
  • [Int'l Joint Research] University of California, Santa Barbara(米国)

    • Country Name
      U.S.A.
    • Counterpart Institution
      University of California, Santa Barbara
  • [Journal Article] On asymptotic base loci of relative anti-canonical divisors of algebraic fiber spaces2023

    • Author(s)
      Ejiri Sho、Iwai Masataka、Matsumura Shin-ichi
    • Journal Title

      Journal of Algebraic Geometry

      Volume: 32 Pages: 477~517

    • DOI

      10.1090/jag/814

    • Peer Reviewed
  • [Journal Article] 複素幾何に現れる非負曲率性に対する構造定理2023

    • Author(s)
      Matsumura Shin-ichi
    • Journal Title

      雑誌 数学

      Volume: - Pages: -

    • Peer Reviewed
  • [Journal Article] On meromorphy of local zeta functions for $C^{\infty}$ functions2023

    • Author(s)
      J. Kamimoto
    • Journal Title

      京都大学数理解析研究所講究録

      Volume: - Pages: -

  • [Journal Article] Asymptotic expansion of oscillatory integrals with singular phases2023

    • Author(s)
      J. Kamimoto, H. Mizuno
    • Journal Title

      Kyushu journal of Math.

      Volume: - Pages: -

    • Peer Reviewed
  • [Journal Article] Mabuchi's soliton metric and relative D-stability2023

    • Author(s)
      T. Hisamoto
    • Journal Title

      American Journal of Mathematics

      Volume: - Pages: -

    • Peer Reviewed
  • [Journal Article] 多変数複素解析とKahler-Einstein計量2023

    • Author(s)
      T. Hisamoto
    • Journal Title

      雑誌 数学

      Volume: - Pages: -

    • Peer Reviewed
  • [Journal Article] Strictly nef divisors on K-trivial fourfolds2022

    • Author(s)
      Liu Haidong、Matsumura Shin-ichi
    • Journal Title

      Mathematische Annalen

      Volume: 387 Pages: 985~1008

    • DOI

      10.1007/s00208-022-02461-1

    • Peer Reviewed
  • [Journal Article] Injectivity theorems with multiplier ideal sheaves for higher direct images under K?hler morphisms2022

    • Author(s)
      Matsumura Shin-ichi
    • Journal Title

      Algebraic Geometry

      Volume: - Pages: 122~158

    • DOI

      10.14231/AG-2022-005

    • Peer Reviewed / Open Access
  • [Journal Article] On projective manifolds with semi-positive holomorphic sectional curvature2022

    • Author(s)
      Matsumura Shin-ichi
    • Journal Title

      American Journal of Mathematics

      Volume: 144 Pages: 747--777

    • Peer Reviewed
  • [Journal Article] Open problems on structure of positively curved projective varieties2022

    • Author(s)
      Matsumura Shin-ichi
    • Journal Title

      Annales de la Faculte des sciences de Toulouse : Mathamatiques

      Volume: 31 Pages: 1011~1029

    • DOI

      10.5802/afst.1712

    • Peer Reviewed / Open Access
  • [Journal Article] 複素解析学の探求にかける情熱2022

    • Author(s)
      J. Kamimoto
    • Journal Title

      雑誌 数理科学

      Volume: 710 Pages: 5--6

  • [Journal Article] Singularities of $L^2$-metric in the canonical bundle formula2022

    • Author(s)
      S. Takayama
    • Journal Title

      American Journal of Mathematics

      Volume: 144 Pages: 1725--1743

    • Peer Reviewed
  • [Journal Article] Mumford goodness of canonical L2-metrics on direct image sheaves over a curve2022

    • Author(s)
      Takayama Shigeharu
    • Journal Title

      Advances in Mathematics

      Volume: 405 Pages: 108485--108485

    • DOI

      10.1016/j.aim.2022.108485

    • Peer Reviewed
  • [Journal Article] Analytic torsion for log-Enriques surfaces and Borcherds product2022

    • Author(s)
      X. Dai, K.-I. Yoshikawa
    • Journal Title

      Forum of Mathematics, Sigma

      Volume: 10 Pages: -

    • DOI

      10.1017/fms.2022.66

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Segre quartic surfaces and minitwistor spaces2022

    • Author(s)
      N. Honda
    • Journal Title

      New York J. Math.

      Volume: 28 Pages: 672-704

    • Peer Reviewed / Open Access
  • [Journal Article] On the cuspidal locus in the dual varieties of Segre quartic surface2022

    • Author(s)
      N. Honda, A. Minagawa
    • Journal Title

      Riv. Mat. Univ. Parma

      Volume: 13 Pages: 551--610

    • Peer Reviewed / Open Access
  • [Journal Article] On weighted Bergman spaces of a domain with Levi-flat boundary II2022

    • Author(s)
      Adachi Masanori
    • Journal Title

      Complex Analysis and its Synergies

      Volume: 8 Pages: -

    • DOI

      10.1007/s40627-022-00097-0

    • Peer Reviewed
  • [Journal Article] Kobayashi Hyperbolicity of the Complements of Ample Divisors in Abelian Varieties2022

    • Author(s)
      Yamanoi Katsutoshi
    • Journal Title

      Publications of the Research Institute for Mathematical Sciences

      Volume: 58 Pages: 281~309

    • DOI

      10.4171/PRIMS/58-2-2

    • Peer Reviewed
  • [Journal Article] Normal form for pseudo-Einstein contact forms and intrinsic CR normal coordinates2022

    • Author(s)
      Hirachi Kengo
    • Journal Title

      Complex Analysis and its Synergies

      Volume: 8 Pages: -

    • DOI

      10.1007/s40627-022-00101-7

    • Peer Reviewed
  • [Presentation] On projective manifolds with semi-positive holomorphic sectional curvature2023

    • Author(s)
      S. Matsumura
    • Organizer
      Complex Geometry Seminar, University of Nice
    • Int'l Joint Research / Invited
  • [Presentation] Geometry of holomorphic sectional curvature2023

    • Author(s)
      S. Matsumura
    • Organizer
      Oberseminar, University of Bayreuth
    • Int'l Joint Research / Invited
  • [Presentation] Geometry of holomorphic sectional curvature I2023

    • Author(s)
      S. Matsumura
    • Organizer
      Seminar on Complex Geometry, Pusan National University
    • Int'l Joint Research / Invited
  • [Presentation] Geometry of holomorphic sectional curvature II2023

    • Author(s)
      S. Matsumura
    • Organizer
      Seminar on Complex Geometry, Pusan National University
    • Int'l Joint Research / Invited
  • [Presentation] The nonvanishing problem for varieties with nef anticanonical bundle2023

    • Author(s)
      S. Matsumura
    • Organizer
      Korea-Japan Conference in Algebraic Geometry
    • Int'l Joint Research / Invited
  • [Presentation] Eisenstein $K3$ surfaces and analytic torsion2023

    • Author(s)
      吉川謙一
    • Organizer
      K3, Enriques Surfaces and Related Topics, 名古屋大学
    • Invited
  • [Presentation] A residue formula for meromorphic connections and applications to stable sets of foliations2023

    • Author(s)
      M. Adachi
    • Organizer
      S_minaire "Analyse complexe et _quations diff_rentielles", Laboratoire Paul Painlev_ - CNRS
    • Int'l Joint Research / Invited
  • [Presentation] The Levi problem and quantitative study in several complex variable2023

    • Author(s)
      M. Adachi
    • Organizer
      Seminar at University of Milano-Bicocca
    • Int'l Joint Research / Invited
  • [Presentation] plurisubharmonic variation of invariant measures2023

    • Author(s)
      辻 元
    • Organizer
      坂東重稔退官記念シンポジウム
    • Invited
  • [Presentation] Renormalized energy of maps and conformal geodesics2023

    • Author(s)
      Y. Matsumoto
    • Organizer
      Geometric Analysis
    • Int'l Joint Research / Invited
  • [Presentation] 写像の繰り込みエネルギーと共形測地線2023

    • Author(s)
      松本佳彦
    • Organizer
      日本数学会2023年度年会(幾何学分科会一般講演)
  • [Presentation] 写像の繰り込みエネルギーと共形測地線2023

    • Author(s)
      松本佳彦
    • Organizer
      Workshop on Complex geometry in Osaka 2023
  • [Presentation] Abundance theorem for minimal compact Kahler manifolds with vanishing second Chern class2022

    • Author(s)
      S. Matsumura
    • Organizer
      Oberseminar, University of Bayreuth
    • Int'l Joint Research / Invited
  • [Presentation] Positivity of direct images and applications to algebraic fiber spaces2022

    • Author(s)
      S. Matsumura
    • Organizer
      The Postech Conference 2022 on Complex Analytic Geometry
    • Int'l Joint Research / Invited
  • [Presentation] On projective manifolds with pseudo-effective tangent bundle2022

    • Author(s)
      S. Matsumura
    • Organizer
      Oberseminar Algebraische Geometrie, University of Saarlandes
    • Int'l Joint Research / Invited
  • [Presentation] The Nonvanishing problem for varieties with nef anticanonical bundle2022

    • Author(s)
      S. Matsumura
    • Organizer
      Workshop on Complex Analysis and Geometry
    • Int'l Joint Research / Invited
  • [Presentation] Resolution of singularities for $C^{\infty}$ functions and meromorphy of local zeta functions2022

    • Author(s)
      J. Kamimoto
    • Organizer
      CIMAT's Commutative Algebra / Algebraic Geometry Seminar,
    • Invited
  • [Presentation] Newton polyherda in several complex variables2022

    • Author(s)
      J. Kamimoto
    • Organizer
      Virtual East-West Several Complex Variables seminar,
    • Invited
  • [Presentation] Asymptotic analysis of the Bergman kernel on pseudoconvex model domains2022

    • Author(s)
      J. Kamimoto
    • Organizer
      "HAYAMA Symposium on Complex Analysis in Several Variables XXIII"
    • Int'l Joint Research / Invited
  • [Presentation] Resolution of singularities for $C^{\infty}$ functions and meromorphy of local zeta functions2022

    • Author(s)
      J. Kamimoto
    • Organizer
      研究集会「超局所解析と漸近解析の展望」京大数理解析研究所
    • Int'l Joint Research / Invited
  • [Presentation] Resolution of singularities for $C^{\infty}$ functions and meromorphy of local zeta functions2022

    • Author(s)
      J. Kamimoto
    • Organizer
      複素解析幾何セミナー、東京大学
    • Invited
  • [Presentation] 特異点解消定理と局所ゼータ関数の解析接続2022

    • Author(s)
      J. Kamimoto
    • Organizer
      岡シンポジウム,奈良女子大学
    • Invited
  • [Presentation] Gauss-Bonnetの定理とCR幾何学2022

    • Author(s)
      T. Marugame
    • Organizer
      情報数理工学セミナー,電気通信大学(オンライン)
    • Invited
  • [Presentation] Constructions of CR GJMS operators in dimension three2022

    • Author(s)
      T. Marugame
    • Organizer
      複素解析幾何セミナー,東京大学
    • Invited
  • [Presentation] 多重標準線形系の$L^p$構造の極限について2022

    • Author(s)
      高山 茂晴
    • Organizer
      第28回複素幾何シンポジウム
    • Invited
  • [Presentation] Degeneration of Riemann surfaces and small eigenvalues of Laplacian2022

    • Author(s)
      吉川謙一
    • Organizer
      第28 回複素幾何シンポジウム
    • Invited
  • [Presentation] A new family of space-like Zoll 3-manifolds2022

    • Author(s)
      N. Honda
    • Organizer
      Workshop on Complex geometry in Osaka 2022
    • Int'l Joint Research / Invited
  • [Presentation] 空間的測地線がすべて閉じている幾何構造の新しい例2022

    • Author(s)
      本多宣博
    • Organizer
      幾何セミナー 東京工業大学
  • [Presentation] Dynamical aspects of foliations with ample normal bundle2022

    • Author(s)
      M. Adachi
    • Organizer
      Virtual East-West Several Complex Variables Seminar, (online)
    • Invited
  • [Presentation] On weighted Bergman spaces of a domain with Levi-flat boundary2022

    • Author(s)
      M. Adachi
    • Organizer
      CR Geometry and PDEs IX
    • Int'l Joint Research / Invited
  • [Presentation] On weighted Bergman spaces of a domain with Levi-flat boundary2022

    • Author(s)
      M. Adachi
    • Organizer
      Workshop on Complex Analysis and Geometry
    • Int'l Joint Research / Invited
  • [Presentation] A residue formula for meromorphic connections and applications to stable sets of foliations2022

    • Author(s)
      M. Adachi
    • Organizer
      HAYAMA Symposium on Complex Analysis in Several Variables XXIII
    • Int'l Joint Research / Invited
  • [Presentation] A residue formula for meromorphic connections and applications to stable sets of foliations2022

    • Author(s)
      M. Adachi
    • Organizer
      Complex Geometry Workshop
    • Int'l Joint Research / Invited
  • [Presentation] On weighted Bergman spaces of a domain with Levi-flat boundary2022

    • Author(s)
      M. Adachi
    • Organizer
      Journ_e Complexe, Laboratoire J.A. Dieudonn_ de l'Universit_ C_te d'Azur
    • Int'l Joint Research / Invited
  • [Presentation] A residue formula for meromorphic connections and applications to stable sets of foliations2022

    • Author(s)
      M. Adachi
    • Organizer
      Joint Seminar on Complex Algebraic Geometry and Complex Analysis
    • Int'l Joint Research / Invited
  • [Presentation] Harmonic measures and rigidity for surface group actions on the circle2022

    • Author(s)
      M. Adachi
    • Organizer
      36th Summer Topology Conference
    • Int'l Joint Research / Invited
  • [Presentation] Harmonic measures and rigidity for surface group actions on the circle2022

    • Author(s)
      足立真訓
    • Organizer
      葉層構造論シンポジウム
  • [Presentation] Hermite-Einstein計量の変分法2022

    • Author(s)
      久本智之
    • Organizer
      大阪大学幾何学セミナー
    • Invited
  • [Presentation] Asymptotic construction of the optimal degeneration for a Fano manifold2022

    • Author(s)
      久本智之
    • Organizer
      HAYAMA Symposium on Complex Analysis in Several Variables XXIII
    • Int'l Joint Research / Invited
  • [Presentation] Asymptotic construction of the optimal degeneration for a Fano manifold2022

    • Author(s)
      久本智之
    • Organizer
      幾何学シンポジウム, 東京理科大学
    • Invited
  • [Presentation] Fano多様体の最適退化の漸近的構成について2022

    • Author(s)
      久本智之
    • Organizer
      京都大学代数幾何学セミナー
    • Invited
  • [Presentation] 代数多様体の最適退化に対応する幾何学的フローと、その漸近的構成について2022

    • Author(s)
      久本智之
    • Organizer
      筑波大学微分幾何学セミナー
    • Invited
  • [Presentation] Approximation of invariant measures on complex manifols2022

    • Author(s)
      H.Tsuji
    • Organizer
      Hayama Symposium on Complx Analysis in Several Complex Variables
    • Int'l Joint Research / Invited
  • [Presentation] Application of p-Bergman kernels2022

    • Author(s)
      辻 元
    • Organizer
      複素幾何シンポジウム
    • Invited
  • [Presentation] The CR Killing operator and the BGG construction in CR geometry2022

    • Author(s)
      Y. Matsumoto
    • Organizer
      Geometric Structures, Compactifications, and Group Actions
    • Int'l Joint Research / Invited
  • [Presentation] The CR Killing operator and Bernstein-Gelfand-Gelfand construction in CR geometry2022

    • Author(s)
      松本佳彦
    • Organizer
      複素解析幾何セミナー、東京大学
    • Invited
  • [Presentation] CR Killing作用素とBernstein-Gelfand-Gelfand構成2022

    • Author(s)
      松本佳彦
    • Organizer
      日本数学会2022年度秋季総合分科会(函数論分科会一般講演)
  • [Presentation] Asymptotic estimates of holomorphic sections on Bohr-Sommerfeld Lagrangian submanifolds2022

    • Author(s)
      千葉優作
    • Organizer
      第65回関数論シンポジウム
    • Invited
  • [Presentation] ボーア・ゾンマーフェルト ラグランジュ部分多様体上の漸近的劣平均値定理2022

    • Author(s)
      千葉優作
    • Organizer
      多変数関数論冬セミナー
    • Invited
  • [Presentation] Asymptotic estimates of holomorphic sections on Bohr-Sommerfeld Lagrangian submanifolds2022

    • Author(s)
      千葉優作
    • Organizer
      日本数学会2022年度年会
  • [Presentation] Normal scale for pseudo-Einstein contact forms and intrinsic2022

    • Author(s)
      平地健吾
    • Organizer
      CR normal coordinates, Conformal Geometry, Analysis, and Physics
    • Int'l Joint Research / Invited
  • [Presentation] Normal forms for pseudo-Einstein contact forms and intrinsic CR normal coordinates2022

    • Author(s)
      平地健吾
    • Organizer
      omplex Analysis and Geometry - XXVI
    • Int'l Joint Research / Invited
  • [Funded Workshop] HAYAMA Symposium on Complex Analysis in Several Variables XXIII2022

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Published: 2023-12-25  

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