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Differential geometric study of four dimensional diffeomorphism Poincare conjecture and variant Yamabe invariants

Research Project

Project/Area Number 18540067
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geometry
Research InstitutionUniversity of Tsukuba

Principal Investigator

ITOH Mitsuhiro  University of Tsukuba, 大学院・数理物質科学研究科, 教授 (40015912)

Co-Investigator(Kenkyū-buntansha) YAMAGUCHI Takao  筑波大学, 大学院・数理物質科学研究科, 教授 (00182444)
TASAKI Hiroyuki  筑波大学, 大学院・数理物質科学研究科, 准教授 (30179684)
KAWAMURA Kazuhiro  筑波大学, 大学院・数理物質科学研究科, 准教授 (40204771)
SATOH Hiroyasu  筑波大学, 大学院・数理物質科学研究科, 準研究員 (00375396)
YAMASE Takahisa  筑波大学, 大学院・数理物質科学研究科, 研究科特別研究員 (20451677)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,130,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥630,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2006: ¥1,400,000 (Direct Cost: ¥1,400,000)
Keywordsポアンカレ予想 / Ricciフロー / 3次元Seiberg-Witten理論 / Fisher情報計量 / Poisson核 / 熱核 / Damek-Ricci空間 / Hadamard空間 / 確率測度空間 / 調和空間 / Busemannk関数 / フィッシャー情報計量 / ポアソン核 / 確率密度関数 / 無限遠境界 / ヤマベ不変量 / スカラー曲率 / 自己双対Weylテンソル / Seiberg-Witten理論 / 強擬凸CR多様体
Research Abstract

幾何学的不変量としての3次元双対Thurstonノルムを実現する3次元Riemann多様体の特徴づけを与えることができた。Hadamard多様体Xに対してXの理想境界上の確率測度の空間Pの情報幾何学をXのLaplace-Beltrami作用素のPoisson核に適用して、対称性や調和性などのXのリーマン幾何を展開することができた。また同時にコンパクト(および非コンパクト)強擬凸CR多様体上の正則ベクトル束のコホモロジー群双対定理を確立することができた。

Report

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

    (47 results)

All 2009 2008 2007 2006 2004

All Journal Article (23 results) (of which Peer Reviewed: 18 results) Presentation (24 results)

  • [Journal Article] Seiberg-Witten theory and the geometric structure R\times H^22009

    • Author(s)
      M.Itoh, T.Yamase
    • Journal Title

      Hokkaido M. J 38

      Pages: 67-81

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Seiberg-Witten-Floer homology and the geometric structure R\times H^22009

    • Author(s)
      T.Yamase
    • Journal Title

      KodaiMath. J 32

      Pages: 117-129

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Seiberg-Witten theory and the geometric structure of R×H^22009

    • Author(s)
      伊藤光弘 山瀬尊久
    • Journal Title

      Hokkaido Math. J. 38

      Pages: 67-81

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fisher Information Geometry of Poisson Kernels and Heat Kernel on Riemannian Manifolds, Proc2008

    • Author(s)
      M.Itoh, H.Satoh
    • Journal Title

      12^<th> International Workshop on Differential Geometry(Taegu Korea) 12

      Pages: 1-20

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A note on the Fisher information metric and heat kernels2008

    • Author(s)
      M.Itoh, H.Satoh
    • Journal Title

      International Journal Pure Applied Math 46

      Pages: 347-353

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Fisher Information Metric and Poisson kernels2008

    • Author(s)
      M.Itoh, Y.Shishido
    • Journal Title

      Differential Geometry and its Application 26

      Pages: 347-356

    • NAID

      120007138689

    • URL

      https://www.tulips.tsukuiba.ac.jp/dspace

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The Serre duality for a non-compact weighted CR manifold2008

    • Author(s)
      M.Itoh, J.Masamune, T.Saotome
    • Journal Title

      Proc.American Math. Society 136

      Pages: 3539-3548

    • URL

      https://www.tulips.tsukuiba.ac.jp/dspace

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Fisher Information Metric and Poisson Kernels2008

    • Author(s)
      伊藤光弘 宍戸雄一
    • Journal Title

      Differential Geometry and its Applications 26

      Pages: 347-356

    • NAID

      120007138689

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The Serre duality theorem for a non-compact weighted CR manifold2008

    • Author(s)
      伊藤光弘 正宗淳 早乙女飛成
    • Journal Title

      Proceedings, American Mathematica Society 136

      Pages: 3539-3548

    • NAID

      120007138743

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A note on the Fisher information metric and heatleTnels2008

    • Author(s)
      伊藤光弘 佐藤弘康 宍戸雄一
    • Journal Title

      Intern. J. Pure Applied Math., 46

      Pages: 347-353

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fisher Information Geome-Cry of Poisson Kernels..and Heat Kernel on Riemannian Manifolds2008

    • Author(s)
      伊藤光弘 佐藤弘康
    • Journal Title

      Proc. 12th Intern. Workshop on Diff. Geometry 12

      Pages: 1-20

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 3-dim Seiberg-Witten Theory and the Thurston's Geometric Structures, Proc2007

    • Author(s)
      M.Itoh
    • Journal Title

      11^<th>Int. Workshop Differential Geometry Taegu, Korea 11

      Pages: 9-16

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Seiberg-Witten Theory for the 3-manifold carrying the geometric structure R \times H^22007

    • Author(s)
      M.Itoh, T.Yamase
    • Journal Title

      Rev. Cal. Math. Soc 15

      Pages: 19-28

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Fisher information metric and Poisson kernels over negatively curved Riemannian manifolds2007

    • Author(s)
      伊藤光弘、宍戸雄一
    • Journal Title

      数理解析研 1560

      Pages: 121-136

    • Related Report
      2008 Final Research Report
  • [Journal Article] The Serre Duality Theorem for Holomorphic Vector Bundles over a Strongly Pseudo-Convex Manifold2007

    • Author(s)
      M.Itoh, T.Saotome
    • Journal Title

      Tsukuba J. M 31

      Pages: 197-204

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The Serre Duality Theorem for Holomorphic Vector Bundles over a Strongly Pseudo-Convex Manifold2007

    • Author(s)
      伊藤光弘、 早乙女飛成
    • Journal Title

      Tsukuba Journal Math., 31

      Pages: 197-204

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 3-dim Seiberg-Witten Theory and the Thurston's Geometric Structures2007

    • Author(s)
      伊藤光弘
    • Journal Title

      Proceedings, 11th Intern. Workshop on Diff. Geom. (Taegu, Korea) 11

      Pages: 9-16

    • Related Report
      2007 Annual Research Report
  • [Journal Article] Seiberg-Witten Theory for the 3-manifold carrying the geometric structure R \times H^22007

    • Author(s)
      伊藤光弘、 山瀬尊久
    • Journal Title

      Rev. Bull. Calcutta. Math. Soc., 15

      Pages: 19-28

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The Serre Duality for Holomorphic Vector Bundles over Strongly Pseudo Convex CR Manifolds2007

    • Author(s)
      伊藤 光弘 Mitsuhiro Itoh
    • Journal Title

      Proceedings of the Eleventh International Workshop on Diff. Geom., 11

      Pages: 17-24

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 3-dim Seiberg-Witten Theory and thwe Thurston's Geometric Structures2007

    • Author(s)
      伊藤 光弘 Mitsuhiro Itoh
    • Journal Title

      Proceedings of the Eleventh International Workshop on Diff. Geom., 11

      Pages: 9-16

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Almost Hermitian Structures on Tangent Bundles2007

    • Author(s)
      佐藤 弘康 Hiroyasu Satoh
    • Journal Title

      Proceedings of the Eleventh International Workshop on Diff. Geom. 11

      Pages: 105-118

    • Related Report
      2006 Annual Research Report
  • [Journal Article] The dual Thurston norm and geometry of closed 3-manifolds2006

    • Author(s)
      M.Itoh, T.Yamase
    • Journal Title

      Osaka J.M 43

      Pages: 121-129

    • NAID

      120005986845

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The Serre Duality for Holomorphic Vector Bundles over Strongly Pseudo -Convex Manifolds, Proc2004

    • Author(s)
      M.Itoh
    • Journal Title

      11^<th> International Workshop on Differential Geometry Taegu, Korea 11

      Pages: 17-24

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] Fisher情報計量, Poisson核と調和写像2009

    • Author(s)
      伊藤光弘, 佐藤弘康
    • Organizer
      日本数学会2009年会
    • Place of Presentation
      東京大学
    • Year and Date
      2009-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] Fisher情報計量,Poisson核,調和写像2009

    • Author(s)
      伊藤光弘 佐藤弘康
    • Organizer
      日本数学会2009年会(東大駒場)
    • Place of Presentation
      日本数学会2009年会(東大駒場)
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] Poisson核、熱核の情報幾何2009

    • Author(s)
      佐藤弘康
    • Organizer
      研究集会リーマン幾何と幾何解析
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-02-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Poisson核,熱核の椿報幾何学2009

    • Author(s)
      佐藤弘康
    • Organizer
      リーマン幾何と幾何解析
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-02-20
    • Related Report
      2008 Annual Research Report
  • [Presentation] Poisson核2009

    • Author(s)
      佐藤弘康
    • Organizer
      熱核の情報幾何学大阪市立大学数学研究所情報幾何学研究集会
    • Year and Date
      2009-01-25
    • Related Report
      2008 Final Research Report
  • [Presentation] 熱核の情報幾何学2009

    • Author(s)
      佐藤弘康
    • Organizer
      情報幾何学研究集会2009
    • Place of Presentation
      大阪市立大学数学研究所
    • Year and Date
      2009-01-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] Poisson核、熱核の情報幾何学2008

    • Author(s)
      佐藤弘康
    • Organizer
      北大幾何学コロキウム
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-12-12
    • Related Report
      2008 Final Research Report
  • [Presentation] Damek-Ricci空間のPoisson核とFisher情報計量2008

    • Author(s)
      伊藤光弘, 佐藤弘康
    • Organizer
      日本数学会2008年度秋季総合分科会
    • Place of Presentation
      東工大
    • Year and Date
      2008-09-25
    • Related Report
      2008 Final Research Report
  • [Presentation] 熱核の情報幾何学とShannonのエントロピー2008

    • Author(s)
      伊藤光弘, 佐藤弘康
    • Organizer
      日本数学会2008年度秋季総合分科会
    • Place of Presentation
      東工大
    • Year and Date
      2008-09-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Damek-Ricci空間のPoisson核とFisher情報計量2008

    • Author(s)
      伊藤光弘 佐藤弘康
    • Organizer
      日本数学会2008年度秋季分科会
    • Place of Presentation
      東京工業大学
    • Year and Date
      2008-09-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] 熱核の情報幾何学とShannonのエントロピー2008

    • Author(s)
      伊藤光弘 佐藤弘康
    • Organizer
      日本数学会2008年度秋季分科会
    • Place of Presentation
      東京工業大学
    • Year and Date
      2008-09-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] 熱核,Poisson核の情報幾何学とDamek-Ricci空間2008

    • Author(s)
      佐藤弘康
    • Organizer
      55回幾何学シンポジウム
    • Place of Presentation
      弘前大学
    • Year and Date
      2008-08-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] Fisher,Information Geometry of Poisson Kernels and Heat Kernel on Riemannian Manifolds2008

    • Author(s)
      伊藤光弘 佐藤弘康
    • Organizer
      Fisher,Information Geometry of Poisson Kernels and Heat Kernel on Riemannian Manifolds
    • Place of Presentation
      韓国 慶北大学
    • Year and Date
      2008-05-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] 熱核、Poisson核の情報幾何学とDamek-Ricci空間2008

    • Author(s)
      佐藤弘康
    • Organizer
      55回幾何学シンポ
    • Place of Presentation
      弘前大学
    • Related Report
      2008 Final Research Report
  • [Presentation] Poisson核、熱核とFisher情報量2007

    • Author(s)
      佐藤弘康
    • Organizer
      大阪市立大数学研究所ミニスクール「情報幾何への入門と応用II」
    • Place of Presentation
      大阪市立大
    • Year and Date
      2007-12-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Fisher情報計量とPoisson核, 熱核の情報幾何学2007

    • Author(s)
      伊藤光弘
    • Organizer
      名古屋大学幾何セミナー
    • Year and Date
      2007-11-26
    • Related Report
      2008 Final Research Report
  • [Presentation] ラムダ汎関数と3次元サイバーグ・ウィッテン理論2007

    • Author(s)
      伊藤光弘, 山瀬尊久
    • Organizer
      日本数学会秋季総合分科会幾何学分科会
    • Year and Date
      2007-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] 階数1非コンパクト型対称空間の熱核とFisher情報計量2007

    • Author(s)
      伊藤光弘, 佐藤弘康, 宍戸雄一
    • Organizer
      日本数学会秋季総合分科会幾何学分科会
    • Year and Date
      2007-09-21
    • Related Report
      2008 Final Research Report
  • [Presentation] 早乙女飛成, 強擬凸多様体上のSerre双対定理の非コンパクト型への拡張について2007

    • Author(s)
      伊藤光弘, 正宗淳
    • Organizer
      日本数学会秋季総合分科会幾何学分科会
    • Year and Date
      2007-09-21
    • Related Report
      2008 Final Research Report
  • [Presentation] 階数1非コンパクト型対称空間の熱核とFisher情報計量2007

    • Author(s)
      伊藤光弘, 佐藤弘康、宍戸雄一
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      東北大学川内北キャンパス
    • Year and Date
      2007-09-21
    • Related Report
      2007 Annual Research Report
  • [Presentation] Fisher information metric and Poisson kernels over negatively curved Riemannian manifolds2007

    • Author(s)
      伊藤光弘, 宍戸雄一
    • Organizer
      Statistical Decision for Multiple Comparison and its Related Topics
    • Place of Presentation
      京都数理解析研究所
    • Year and Date
      2007-03-13
    • Related Report
      2008 Final Research Report
  • [Presentation] The Fisher Information Metric and Poisson Kernel Maps2007

    • Author(s)
      M.Itoh
    • Organizer
      4^<th> International Conference of Applied Mathematics and Computing
    • Place of Presentation
      Plovdiv, Bulgaria
    • Related Report
      2008 Final Research Report
  • [Presentation] The Serre duality for holomorphic vector bundles over strongly pseudo convex CR-manifolds2006

    • Author(s)
      M.Itoh
    • Organizer
      11^<th> International Workshop on Differential Geometry
    • Place of Presentation
      Taegu, Korea
    • Year and Date
      2006-11-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Seiberg-Witten theory and the Thurston's geometric structures2006

    • Author(s)
      M.Itoh
    • Organizer
      11^<th> International Workshop on Differential Geometry
    • Place of Presentation
      Taegu, Korea
    • Year and Date
      2006-11-09
    • Related Report
      2008 Final Research Report

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

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