Sakasai Takuya 逆井卓也

… Alternative Names

SAKASAI Takuya 逆井卓也

Less

Researcher Number	60451902
Other IDs
Affiliation (Current)	2025: 東京大学, 大学院数理科学研究科, 准教授
Affiliation (based on the past Project Information) *help	2016 – 2024: 東京大学, 大学院数理科学研究科, 准教授 2017: 東京大学, 数理(科)学研究科(研究院), その他 2012 – 2015: 東京大学, 数理(科)学研究科(研究院), 准教授 2014: 東京大学, 大学院数理科学研究科, 准教授 2014: 東京工業大学, 大学院理工学研究科, 助教 … More 2009 – 2011: Tokyo Institute of Technology, 大学院・理工学研究科, 助教 2008: 東大, 数理(科)学研究科(研究院) 2007: The University of Tokyo, 大学院・数理科学研究科, 研究拠点形成特任研究員 Less
Review Section/Research Field	Principal Investigator Geometry / Basic Section 11020:Geometry-related Except Principal Investigator Geometry / Basic Section 11020:Geometry-related / Medium-sized Section 11:Algebra, geometry, and related fields
Keywords	Principal Investigator モジュライ空間 / グラフホモロジー / 写像類群 / 特性類 / シンプレクティック微分 / Johnson 準同型 / 位相幾何学 / Johnson準同型 / トポロジー / トートロジー環 … More / 曲面の三角形分割 / 三角形分割 / グラフ複体 / 幾何学 / ホモロジー同境 / トレリ群 / 位相幾何 / 3次元多様体 … More Except Principal Investigator 3次元多様体 / 写像類群 / ３次元多様体 / 位相不変量 / 不変量 / 結び目 / 随伴群 / ブレイド群 / 増大級数 / 離散群 / 高次圏 / 組みひも群 / 反復積分 / 超幾何積分 / 共形場理論 / 量子群 / 曲面 / 幾何学 / 双曲幾何 / 3次元トポロジー / ２次特性類 / 体積 / 計算機支援 / 幾何構造 / 葉層構造 / ホモロジーシリンダー / モジュライ空間 / 結び目理論 / 量子位相不変量 / ホロノミー関手 / 幾何学的群論 / コクセター・カンドル / 量子トポロジー / 低次元トポロジー / 双曲体積 / 擬アノソフ写像 / 双曲幾何学 / 写像トーラス / 擬アノソフ写像類 / タイヒミュラー空間 / 増大度 / ガーサイド標準形 / ザイフェルトファイバー空間 / ケーリーグラフ / スータブル・スプレッド法 / ガ―サイド標準形 / 測地的代表元 / 基本群 / ケーリー・グラフ / ザイフェルト・ファイバー空間 / モノロドミー表現 / 超幾何関数 / KZ方程式 / 配置空間 / 位相的場の理論 / 実験数学 / トポロジー / アレキサンダー多項式 / モノドロミー / 写像類 / ファイバー結び目 / 錐多様体 / 2次特性類 / 力学系 / ３次元トポロジー / Morita-Mumford類 / 実解析的微分同相群 / 有限型不変量 / Hamiltonベクトル場 / ループ空間 / 微分同相群 / ゲージ理論 / ホモロジー3球面 / 量子化予想 / 局所化 / 絶対ガロア群 / シンプレクティック微分 / Gel'fand-Kalinin-Fuks理論 / 葉層構造の特性類 / 自由群 / 4次元多様体 / シンプレクティック幾何学 / グラフ / リーマン面 Less

コクセター・カンドルの随伴群とブレイド群の幾何と増大級数
- Principal Investigator
  
  藤井道彦
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  University of the Ryukyus
Invariants of pseudo-Anosov homeomorphisms
- Principal Investigator
  
  Kojima Sadayoshi
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Waseda University
３次元双曲多様体上の量子トポロジー
- Principal Investigator
  
  大槻知忠
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 11:Algebra, geometry, and related fields
- Research Institution
  Kyoto University
Geometric quantum representations of discrete groups and extensions to higher categories
- Principal Investigator
  
  河野俊丈
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Meiji University
Study on structures of graph complexes and the cohomology rings of various moduli spacesPrincipal Investigator
- Principal Investigator
  
  Sakasai Takuya
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  The University of Tokyo
Geometry of the braid groups and mapping class groups and their growth
- Principal Investigator
  
  Fujii Michihiko
- Project Period (FY)
  2018 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  University of the Ryukyus
Geometric quantum representations, iterated integrals and applications to topological field theory
- Principal Investigator
  
  Kohno Toshitake
- Project Period (FY)
  2016 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Meiji University
  The University of Tokyo
Quantum Topology of knots and 3-manifolds
- Principal Investigator
  
  Ohtsuki Tomotada
- Project Period (FY)
  2016 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Kyoto University
Structures of symplectic derivation Lie algebras and characteristic classes of moduli spacesPrincipal Investigator
- Principal Investigator
  
  Sakasai Takuya
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
Topology related with surfaces and 3-mainfolds
- Principal Investigator
  
  Kojima Sadayoshi
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
A study on the relationship between invariants of homology cylinders, and its applications
- Principal Investigator
  
  GODA HIROSHI
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo University of Agriculture and Technology
Homology cobordism groups of surfaces and Lie algebras of associated graphsPrincipal Investigator
- Principal Investigator
  
  SAKASAI Takuya
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
Deepening three-manifold theory
- Principal Investigator
  
  KOJIMA Sadayoshi
- Project Period (FY)
  2010 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
Structures of the cohomology rings of the Torelli group and Lagrangian mapping class groupsPrincipal Investigator
- Principal Investigator
  
  SAKASAI Takuya
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
Geometry of Groups and Moduli Spaces (2)
- Principal Investigator
  
  MORITA Shigeyuki
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
曲面のホモロジー同境のなす群と閉3次元多様体の不変量Principal Investigator
- Principal Investigator
  
  逆井卓也
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Young Scientists (Start-up)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo

[Book] パズルゲームで楽しむ写像類群入門2013
- Author(s)
  阿原一志，逆井卓也
- Total Pages
  320
- Publisher
  日本評論社
- Data Source
  KAKENHI-PROJECT-24740040
[Journal Article] Torelli group, Johnson kernel and invariants of homology spheres2020
- Author(s)
  Shigeyuki Morita, Takuya Sakasai and Masaaki Suzuki
- Journal Title
  
  Quantum Topology
  
  Volume: 11 Issue: 2 Pages: 379-410
- DOI
  10.4171/qt/138
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01785, KAKENHI-PROJECT-16H03931
[Journal Article] Morita's trace maps on the group of homology cobordisms2020
- Author(s)
  T. Sakasai, S. Morita and M. Suzuki
- Journal Title
  
  Quantum Topology
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H03931
[Journal Article] Morita's trace maps on the group of homology cobordisms2019
- Author(s)
  Gwenael Massuyeau, Takuya Sakasai
- Journal Title
  
  Journal of Topology and Analysis
  
  Volume: 未定 Issue: 03 Pages: 775-818
- DOI
  10.1142/s179352531950064x
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03931, KAKENHI-PROJECT-19H01785
[Journal Article] 曲面の写像類群と自由群の外部自己同型群のコホモロジーに関するこれまでの歩みと最近の進展2018
- Author(s)
  逆井卓也
- Journal Title
  
  数学（日本数学会）
  
  Volume: 70 Pages: 225-254
- NAID
  130007880390
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03618
[Journal Article] 曲面の写像類群と自由群の外部自己同型群のコホモロジーに関するこれまでの歩みと最近の進展2018
- Author(s)
  逆井卓也
- Journal Title
  
  数学（日本数学会）
  
  Volume: 70-3
- NAID
  130007880390
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H03931
[Journal Article] An abelian quotient of the symplectic derivation Lie algebra of the free Lie algebra2018
- Author(s)
  S. Morita, T. Sakasai and M. Suzuki
- Journal Title
  
  Experimental Mathematics
  
  Volume: 印刷中
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15H03619
[Journal Article] Morita's trace maps on the group of homology cobordisms2018
- Author(s)
  Gwenael Massuyeau, Takuya Sakasai
- Journal Title
  
  Journal of Topology and Analysis
  
  Volume: 印刷中
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03618
[Journal Article] Symmetry of symplectic derivation Lie algebras of free Lie algebras2017
- Author(s)
  Takuya Sakasai, Shigeyuki Morita, Masaaki Suzuki
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume: B66 Pages: 185-193
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H03931
[Journal Article] Symmetry of symplectic derivation Lie algebras of free Lie algebras2017
- Author(s)
  Shigeyuki Morita, Takuya Sakasai and Masaaki Suzuki
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume: 印刷中
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15H03618
[Journal Article] Symmetry of symplectic derivation Lie algebras of free Lie algebras2017
- Author(s)
  S. Morita, T. Sakasai and M. Suzuki
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume: B66 Pages: 185-193
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15H03619
[Journal Article] An abelian quotient of the symplectic derivation Lie algebra of the free Lie algebra2017
- Author(s)
  Shigeyuki Morita, Takuya Sakasai and Masaaki Suzuki
- Journal Title
  
  Experimental Mathematics
  
  Volume: 印刷中 Issue: 3 Pages: 302-315
- DOI
  10.1080/10586458.2016.1266975
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15H03618
[Journal Article] Symmetry of symplectic derivation Lie algebra of free Lie algebras2017
- Author(s)
  T. Sakasai, S. Morita and M. Suzuki
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume: 未定
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15H03619
[Journal Article] Symmetry of symplectic derivation Lie algebras of free Lie algebras.2017
- Author(s)
  Shigeyuki Morita, Takuya Sakasai and Masaaki Suzuki
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume: 66 Pages: 185-193
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03618
[Journal Article] An abelian quotient of the symplectic derivation Lie algebra on the free Lie algebra2017
- Author(s)
  T. Sakasai, S. Morita and M. Suzuki
- Journal Title
  
  Experimental Mathematics
  
  Volume: 未定
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-15H03619
[Journal Article] An abelian quotient of the symplectic derivation Lie algebra of the free Lie algebra2017
- Author(s)
  T. Sakasai, S. Morita and M. Suzuki
- Journal Title
  
  Experimental Mathematics
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H03931
[Journal Article] Johnson-Morita theory in mapping class groups and monoids of homology cobordisms of surfaces2017
- Author(s)
  Takuya Sakasai
- Journal Title
  
  Winter Braids Lecture Notes
  
  Volume: 3 Pages: 1-25
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H03931
[Journal Article] The Magnus representation and homology cobordism groups of homology cylinders2015
- Author(s)
  Takuya Sakasai
- Journal Title
  
  Journal of Mathematical Sciences, the University of Tokyo
  
  Volume: 印刷中
- NAID
  120005819510
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24740040
[Journal Article] The Magnus representation and homology cobordism groups of homology cylinders2015
- Author(s)
  Takuya Sakasai
- Journal Title
  
  J. Math. Sci. University of Tokyo
  
  Volume: 未定
- NAID
  120005819510
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244004
[Journal Article] Integral Euler characteristic of out F_{11}2015
- Author(s)
  S. Morita, T. Sakasai and M. Suzuki
- Journal Title
  
  Experimental Math.
  
  Volume: 24 Issue: 1 Pages: 93-97
- DOI
  10.1080/10586458.2014.956373
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244004, KAKENHI-PROJECT-24740035, KAKENHI-PROJECT-24740040
[Journal Article] Structure of symplectic invariant Lie subalgebras of symplectic derivation Lie algebras2015
- Author(s)
  Shigeyuki Morita, Takuya Sakasai and Masaaki Suzuki
- Journal Title
  
  Advances in Mathematics
  
  Volume: 282 Pages: 291-334
- DOI
  10.1016/j.aim.2015.06.017
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15H03618, KAKENHI-PROJECT-15H03619
[Journal Article] Computations in formal symplectic geometry and characteristic classes of moduli spaces2015
- Author(s)
  Shigeyuki Morita, Takuya Sakasai and Masaaki Suzuki
- Journal Title
  
  Quantum Topology
  
  Volume: 6 Issue: 1 Pages: 139-182
- DOI
  10.4171/qt/61
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03618
[Journal Article] Computations in formal symplectic geometry and characteristic classes of moduli spaces2015
- Author(s)
  S. Morita, T. Sakasai and M. Suzuki
- Journal Title
  
  Quantum Topol
  
  Volume: 6 Pages: 139-182
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15H03619
[Journal Article] The Magnus representation and homology cobordism groups of homology cylinders2015
- Author(s)
  Takuya Sakasai
- Journal Title
  
  Journal of Mathematical Sciences, the University of Tokyo
  
  Volume: 22 Pages: 741-770
- NAID
  120005819510
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03618
[Journal Article] The Magnus representation and homology cobordism groups of homology cylinders2015
- Author(s)
  Takuya Sakasai
- Journal Title
  
  J. Math. Sci. Univ. Tokyo
  
  Volume: 22 Pages: 741-770
- NAID
  120005819510
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15H03619
[Journal Article] Homology cylinders and sutured manifolds for homologically fibered knots2013
- Author(s)
  H. Goda and T. Sakasai
- Journal Title
  
  Tokyo Journal of Mathematics
  
  Volume: 36 Issue: 1 Pages: 85-111
- DOI
  10.3836/tjm/1374497513
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244004, KAKENHI-PROJECT-24740040
[Journal Article] Homology cylinders and sutured manifolds for homologically fibered knots2013
- Author(s)
  Hiroshi Goda, Takuya Sakasai
- Journal Title
  
  Tokyo Journal of Mathematics
  
  Volume: 36
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540068
[Journal Article] Abelianizations of derivation Lie algebras of the free associative algebra and the free Lie algebra2013
- Author(s)
  Shigeyuki Morita, Takuya Sakasai and Masaaki Suzuki
- Journal Title
  
  Duke Mathematical Journal
  
  Volume: 162 Issue: 5 Pages: 965-1002
- DOI
  10.1215/00127094-2140560
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24740035, KAKENHI-PROJECT-24740040
[Journal Article] A survey of Magnus representations for mapping class groups and homology cobordisms of surfaces2012
- Author(s)
  Takuya Sakasai
- Journal Title
  
  Handbook of Teichmueller theory
  
  Volume: 3巻(印刷中)
- Data Source
  KAKENHI-PROJECT-21740044
[Journal Article] Lagrangian mapping class groups from a group homological point of view2012
- Author(s)
  T.Sakasai
- Journal Title
  
  Algebraic and Geometric Topology
  
  Volume: 12 Pages: 267-291
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244004
[Journal Article] A survey of Magnus representations for mapping class groups and homology cobordisms of surfaces2012
- Author(s)
  Takuya Sakasai
- Journal Title
  
  Handbook of Teichmueller theory
  
  Volume: 3 Pages: 531-594
- DOI
  10.4171/103-1/10
- ISBN
  9783037191033, 9783037196038
- Data Source
  KAKENHI-PROJECT-24740040
[Journal Article] Homology cylinders and sutured manifolds for homologically fibered knots2012
- Author(s)
  Hiroshi Goda, Takuya Sakasai
- Journal Title
  
  Tokyo Journal of Mathematics
  
  Volume: (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740044
[Journal Article] Lagrangian mapping class groups from a group homological point of view2012
- Author(s)
  Takuya Sakasai
- Journal Title
  
  Algebraic & Geometric Topology
  
  Volume: 12 Pages: 267-291
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740044
[Journal Article] Factorization formulas and computations of higher-order Alexander invariants for homologically fibered knots2011
- Author(s)
  Hiroshi Goda, Takuya Sakasai
- Journal Title
  
  Journal of Knot Theory and Its Ramifications
  
  Volume: 20 Pages: 1355-1380
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740044
[Journal Article] Johnson homomorphisms as fibering obstructions of homologically fibered knots2011
- Author(s)
  Hiroshi Goda, Takuya Sakasai
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1747 Pages: 47-66
- Data Source
  KAKENHI-PROJECT-21740044
[Journal Article] Abelian quotients of monoids of homology cylinders2011
- Author(s)
  H.Goda, T.Sakasai
- Journal Title
  
  Geometriae Delicata
  
  Volume: 151 Pages: 387-396
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244004
[Journal Article] Abelian quotients of monoids of homology cylinders2011
- Author(s)
  Hiroshi Goda, Takuya Sakasai
- Journal Title
  
  Geometriae Dedicata
  
  Volume: 151 Pages: 387-396
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740044
[Journal Article] Factorization formulas and computations of higher-order Alexander invariants for homologically fibered knots2011
- Author(s)
  H.Goda, T.Sakasai
- Journal Title
  
  Journal of knot theory and its ramifications
  
  Volume: 20 Pages: 1355-1380
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244004
[Journal Article] The Magnus representation and higher-order Alexander invariants for homology cobordisms of surfaces2008
- Author(s)
  Takuya Sakasai
- Journal Title
  
  Algebraic&Geometric Topology
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19840009
[Journal Article] The Magnus representation and higher-order Alexander invariants for homology cobordisms of surfaces2008
- Author(s)
  Takuya, Sakasai
- Journal Title
  
  Algebraic and Geometric Topology 8
  
  Pages: 803-848
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19204003
[Journal Article] The symplecticity of the Magnus representation for homology cobordisms of surfaces2007
- Author(s)
  Takuya Sakasai
- Journal Title
  
  Bulletin of the Australian Mathematical Society 76
  
  Pages: 421-431
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19840009
[Journal Article] A survey of Magnus representations for mapping class groups and homology cobordisms of surfaces
- Author(s)
  Takuya Sakasai
- Journal Title
  
  Handbook of Teichmueller theory
  
  Volume: 3(In press)
- Data Source
  KAKENHI-PROJECT-21740044
[Journal Article] Homology cylinders and sutured manifolds for homologically fibered knots
- Author(s)
  Hiroshi Goda, Takuya Sakasai
- Journal Title
  
  Tokyo Journal of Mathematics
  
  Volume: (掲載確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] On groups of Kim-Manturov2024
- Author(s)
  Takuya Sakasai
- Organizer
  The 19th East Asian Conference on Geometric Topology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] Invariants of homologically fibered knots2024
- Author(s)
  Takuya Sakasai
- Organizer
  Knot theory, LMO invariants and related topics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] Teruaki for Mathematica2023
- Author(s)
  逆井卓也
- Organizer
  トポロジーとコンピュータ 2023
- Invited
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] (1) 群の Johnson 核のアーベル化の階数の有限性について (2) Johnson 核のアーベル化の表示について2023
- Author(s)
  逆井卓也
- Organizer
  写像類群の部分群のコホモロジーと特殊線型群の表現
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] On torsion degree functions2023
- Author(s)
  Takuya Sakasai
- Organizer
  Mapping class groups and Quantum topology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] The spherical growth series of amalgamated free products of infinite cyclic groups2023
- Author(s)
  藤井道彦、逆井卓也
- Organizer
  日本数学会・秋季総合分科会
- Data Source
  KAKENHI-PROJECT-18K03283
[Presentation] The symplectic derivation Lie algebra and the mapping class group of a surface2022
- Author(s)
  Takuya Sakasai
- Organizer
  2022 Global KMS International Conference
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] Minimal generating sets of groups of Kim-Manturov2022
- Author(s)
  逆井卓也
- Organizer
  Groups in Low-Dimensional Topology
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] On a group of Kim-Manturov2021
- Author(s)
  Takuya Sakasai
- Organizer
  Workshop on Groups in Geometry
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] On a group of Kim-Manturov2021
- Author(s)
  逆井卓也
- Organizer
  Workshop on Groups in Geometry
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] Higher dimensional extensions of Johnson homomorphisms via bordism groups2021
- Author(s)
  Takuya Sakasai
- Organizer
  Geometry of discrete groups and hyperbolic spaces
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] Higher dimensional extensions of Johnson homomorphisms via bordism groups2021
- Author(s)
  Takuya Sakasai
- Organizer
  Geometry of discrete groups and hyperbolic spaces
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] (1) Outer space and tropical curves, (2) Applications of the moduli space of tropical curves2020
- Author(s)
  逆井卓也
- Organizer
  リーマン面のモジュライ空間の諸相
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] Computations in symplectic derivation Lie algebras and their applications2019
- Author(s)
  Takuya Sakasai
- Organizer
  Graph complexes in algebraic geometry and topology
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] Topological studies of moduli spaces of Riemann surfaces and their generalizations2019
- Author(s)
  Takuya Sakasai
- Organizer
  Quantum Math
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Computations on Johnson homomorphisms and their applications2019
- Author(s)
  Takuya Sakasai
- Organizer
  Computational Problems in Low-dimensional Topology II
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] Higher dimensional extensions of Johnson homomorphisms via bordism groups2019
- Author(s)
  逆井卓也
- Organizer
  低次元トポロジー in 白神
- Invited
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] Computations in symplectic derivation Lie algebras and their applications2019
- Author(s)
  Takuya Sakasai
- Organizer
  Graph complexes in algebraic geometry and topology, The University of Manchester
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] Computations on Johnson homomorphisms and their applications2019
- Author(s)
  Takuya Sakasai
- Organizer
  Computational Problems in Low-dimensional Topology II
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] Johnson homomorphisms up to degree 72019
- Author(s)
  Takuya Sakasai
- Organizer
  Johnson homomorphisms and related topics 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01785
[Presentation] グラフホモロジー: 定義と応用2019
- Author(s)
  逆井卓也
- Organizer
  Encounter with Mathematics (第73回)
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] (1) The mapping class group action in shear coordinates, (2) Mapping class group actions on moduli spaces of 3d gravity2018
- Author(s)
  逆井卓也
- Organizer
  モジュライ空間のシンプレクティック幾何, 東京大学
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] グラフホモロジーとモジュライ空間のホモロジー群2018
- Author(s)
  逆井卓也
- Organizer
  種々の幾何学的構造と基本群に現れる様々な特性類とその不変量への応用
- Invited
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] Computations on Johnson homomorphisms2018
- Author(s)
  Takuya Sakasai
- Organizer
  Cohomological study of mapping class groups and related topics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Torelli group, Johnson kernel and invariants of homology 3-spheres2018
- Author(s)
  逆井卓也
- Organizer
  トポロジー火曜セミナー
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] グラフホモロジーとモジュライ空間のホモロジー群2018
- Author(s)
  逆井卓也
- Organizer
  種々の幾何学的構造と基本群に現れる様々な特性類とその不変量への応用
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Computations on Johnson homomorphisms2018
- Author(s)
  Takuya Sakasai
- Organizer
  Cohomological study of mapping class groups and related topics, IRMA
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] Johnson homomorphisms and symplectic representation theory2017
- Author(s)
  Takuya Sakasai
- Organizer
  ジョンソン準同型とその周辺, 東京大学
- Invited
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] 自由群の acyclic closure とその自己同型群について2017
- Author(s)
  逆井卓也
- Organizer
  ストリングトポロジーとその周辺
- Invited
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] Johnson homomorphisms and symplectic representation thoery2017
- Author(s)
  Takuya Sakasai
- Organizer
  Workshop on Johnson homomorphisms and related topics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Cohomology of the moduli space of graphs and groups of homology cobordisms of surfaces2017
- Author(s)
  Takuya Sakasai
- Organizer
  Geometric Topology Fair 2017, KAIST (韓国)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Invariants of homology cobordisms of surfaces2017
- Author(s)
  Takuya Sakasai
- Organizer
  Tsuda University Topology Workshop
- Invited
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] Additive invariants of homology cobordisms of surfaces2017
- Author(s)
  逆井卓也
- Organizer
  大阪大学大学院理学研究科数学専攻・理学部数学科談話会, 大阪大学
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Homologically fibered knots and closed 3-manifolds2017
- Author(s)
  逆井　卓也
- Organizer
  筑波大学トポロジーセミナー
- Place of Presentation
  筑波大学（茨城県つくば市）
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Cohomology of the moduli space of graphs and groups of homology cobordisms of surfaces2017
- Author(s)
  逆井卓也
- Organizer
  北海道大学大学院理学研究院数学部門幾何学コロキウム, 北海道大学
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] 自由群の acyclic closure とその自己同型群について2017
- Author(s)
  逆井卓也
- Organizer
  ストリングトポロジーとその周辺, 文部科学省共済組合箱根宿泊所
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Cohomology of the moduli space of graphs and groups of homology cobordisms of surfaces2017
- Author(s)
  Takuya Sakasai
- Organizer
  Geometric Topology Fair 2017, KAIST
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] Homologically fibered knots and closed 3-manifolds2017
- Author(s)
  逆井卓也
- Organizer
  筑波大学トポロジーセミナー
- Place of Presentation
  筑波大学 (茨城県つくば市)
- Year and Date
  2017-02-21
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Johnson homomorphisms and symplectic representation theory2017
- Author(s)
  Takuya Sakasai
- Organizer
  Johnson homomorphisms and related topics, 東京大学
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Invariants of homology cobordisms of surfaces2017
- Author(s)
  Takuya Sakasai
- Organizer
  Tsuda University Topology Workshop, 津田塾大学
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] 自由群の外部自己同型群の有理コホモロジーについて2016
- Author(s)
  逆井卓也
- Organizer
  京都大学大学院理学研究科数学教室談話会
- Place of Presentation
  京都大学，京都府
- Year and Date
  2016-01-06
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Convex polytopes from fatgraphs2016
- Author(s)
  逆井卓也
- Organizer
  位相的漸化式入門
- Place of Presentation
  木更津工業高等専門学校
- Year and Date
  2016-01-30
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Convex polytopes from fatgraphs2016
- Author(s)
  逆井卓也
- Organizer
  位相的漸化式入門
- Place of Presentation
  木更津工業高等専門学校（千葉県木更津市）
- Year and Date
  2016-01-30
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Topological approaches to Mumford-Morita-Miller classes2016
- Author(s)
  Takuya Sakasai
- Organizer
  MCM 2016
- Place of Presentation
  沖縄科学技術大学院大学（沖縄県恩納村）
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] An abelian quotient of the symplectic derivation Lie algebra of the free Lie algebra2016
- Author(s)
  逆井卓也
- Organizer
  トポロジーとコンピュータ 2016
- Place of Presentation
  カレッジプラザ (秋田県秋田市)
- Year and Date
  2016-10-29
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Topological approaches to Mumford-Morita-Miller classes2016
- Author(s)
  Takuya Sakasai
- Organizer
  MCM 2016
- Place of Presentation
  沖縄科学技術大学院大学 (沖縄県恩納村)
- Year and Date
  2016-10-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] An abelian quotient of the symplectic derivation Lie algebra of the free Lie algebra2016
- Author(s)
  逆井卓也，鈴木正明，森田茂之
- Organizer
  日本数学会2016年度秋季総合分科会
- Place of Presentation
  関西大学（大阪府吹田市）
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Cohomology of the moduli space of graphs and groups of homology cobordisms of surfaces2016
- Author(s)
  Takuya Sakasai
- Organizer
  離散群と双曲空間のトポロジーと解析
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] Topological approaches to Mumford-Morita-Miller classes2016
- Author(s)
  Takuya Sakasai
- Organizer
  MCM 2016
- Place of Presentation
  沖縄科学技術大学院大学
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] Johnson-Morita theory2016
- Author(s)
  Takuya Sakasai
- Organizer
  Winter Braids VI
- Place of Presentation
  Lille, France
- Year and Date
  2016-02-22
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] On the dihedral invariant Lie subalgebra of the associative symplectic derivation Lie algebra2016
- Author(s)
  逆井卓也
- Organizer
  GD2016---微分同相群と離散群
- Place of Presentation
  文部科学省共済組合箱根宿泊所 (神奈川県足柄下郡)
- Year and Date
  2016-12-17
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Cohomology of the moduli space of graphs and groups of homology cobordisms of surfaces2016
- Author(s)
  逆井卓也
- Organizer
  離散群と双曲空間のトポロジーと解析
- Place of Presentation
  京都大学数理解析研究所 (京都府京都市)
- Year and Date
  2016-06-20
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Cohomology of the moduli space of graphs and groups of homology cobordisms of surfaces2016
- Author(s)
  逆井卓也
- Organizer
  トポロジー火曜セミナー
- Place of Presentation
  東京大学 (東京都目黒区)
- Year and Date
  2016-11-15
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] On the dihedral invariant Lie subalgebra of the associative symplectic derivation Lie algebra2016
- Author(s)
  Takuya Sakasai
- Organizer
  GD2016---微分同相群と離散群
- Place of Presentation
  文部科学省共済組合箱根宿泊所
- Invited
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] An abelian quotient of the symplectic derivation Lie algebra of the free Lie algebra2016
- Author(s)
  逆井　卓也
- Organizer
  トポロジーとコンピュータ2016
- Place of Presentation
  カレッジプラザ（秋田県秋田市）
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] On the dihedral invariant Lie subalgebra of the associative symplectic derivation Lie algebra2016
- Author(s)
  逆井　卓也
- Organizer
  GD2016-微分同相群と離散群
- Place of Presentation
  文科省共済組合箱根宿泊所（神奈川県足柄下郡）
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] An abelian quotient of the symplectic derivation Lie algebra of the free Lie algebra2016
- Author(s)
  逆井卓也, 鈴木正明, 森田茂之
- Organizer
  日本数学会2016年度秋期総合分科会　一般講演
- Place of Presentation
  関西大学 (大阪府吹田市)
- Year and Date
  2016-09-15
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Cohomology of the moduli space of graphs and groups of homology cobordisms of surfaces2016
- Author(s)
  逆井　卓也
- Organizer
  東京大学トポロジー火曜セミナー
- Place of Presentation
  東京大学（東京都目黒区）
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Cohomology of the moduli space of graphs and groups of homology cobordisms of surfaces2016
- Author(s)
  逆井　卓也
- Organizer
  離散群と双曲空間のトポロジーと解析
- Place of Presentation
  京都大学数理解析研究所（京都府京都市）
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] An abelian quotient of the symplectic derivation Lie algebra of the free Lie algebra2016
- Author(s)
  Takuya Sakasai
- Organizer
  トポロジーとコンピュータ 2016
- Place of Presentation
  カレッジプラザ
- Invited
- Data Source
  KAKENHI-PROJECT-16H03931
[Presentation] Johnson-Morita theory（３回連続講演）2016
- Author(s)
  Takuya Sakasai
- Organizer
  Winter Braids VI
- Place of Presentation
  Lille (France)
- Year and Date
  2016-02-22
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] 自由群の外部自己同型群の有理コホモロジーについて2016
- Author(s)
  逆井卓也
- Organizer
  京都大学理学研究科/理学部数学教室談話会
- Place of Presentation
  京都大学（京都府京都市）
- Year and Date
  2016-01-06
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Structure of symplectic invariant Lie subalgefbras associated with symplectic derivation Lie algebras2015
- Author(s)
  Takuya Sakasai
- Organizer
  Workshop on Automorphisms of Free Groups
- Place of Presentation
  Copenhagen, Denmark
- Year and Date
  2015-11-10
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] 写像類群の安定コホモロジー群について2015
- Author(s)
  逆井卓也
- Organizer
  種々の幾何学的構造と基本群に現れる様々な特性類とその不変量への応用
- Place of Presentation
  KKR 下呂しらさぎ（岐阜県下呂市）
- Year and Date
  2015-08-05
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] シンプレクテイック微分リー代数ともジュライ空間のコホモロジー2015
- Author(s)
  逆井卓也
- Organizer
  広島大学大学院理学研究科数学専攻談話会
- Place of Presentation
  広島大学，広島県
- Year and Date
  2015-12-01
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Structure of symplectic invariant Lie subalgebras associated with symplectic derivation Lie algebras2015
- Author(s)
  Takuya Sakasai
- Organizer
  Workshop on Automorphisms of Free Groups
- Place of Presentation
  Copenhagen (Denmark)
- Year and Date
  2015-11-10
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Computations of integral Euler characteristics in graph homologies2015
- Author(s)
  Takuya Sakasai
- Organizer
  Mini Symposium on Moduli Space, Conformal Field Theory and Matrix Models
- Place of Presentation
  沖縄科学技術大学院大学（沖縄県）
- Year and Date
  2015-03-16
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] On homology cobordisms of surfaces of genus 12015
- Author(s)
  逆井卓也
- Organizer
  離散群と双曲空間の幾何と解析
- Place of Presentation
  京都大学数理解析研究所，京都府
- Year and Date
  2015-06-25
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] On homology cobordisms of surfaces of genus 12015
- Author(s)
  Takuya Sakasai
- Organizer
  French-Japanese workshop on Teichmueller spaces and surface mapping class groups
- Place of Presentation
  Strasbourg (France)
- Year and Date
  2015-06-05
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Structure of the Lie algebra of associative symplectic derivations2015
- Author(s)
  Takuya Sakasai
- Organizer
  RMT2015
- Place of Presentation
  沖縄科学技術大学院大学，沖縄県
- Year and Date
  2015-11-03
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Tautological algebras of mapping class groups and representation theory2015
- Author(s)
  Takuya Sakasai
- Organizer
  MCM2015 autumn
- Place of Presentation
  東京大学（東京都目黒区）
- Year and Date
  2015-10-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] 曲面の写像類群にまつわる話題2015
- Author(s)
  逆井卓也
- Organizer
  無限群と幾何学の周辺
- Place of Presentation
  東京大学玉原国際セミナーハウス（群馬県沼田市）
- Year and Date
  2015-07-12
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Structure of the Lie algebra of associative symplectic derivations2015
- Author(s)
  Takuya Sakasai
- Organizer
  RMT2015
- Place of Presentation
  沖縄科学技術大学院大学（沖縄県恩納村）
- Year and Date
  2015-11-03
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] On homology cobordisms of surfaces of genus 12015
- Author(s)
  Takuya Sakasai
- Organizer
  離散群と双曲空間の幾何と解析
- Place of Presentation
  京都大学数理解析研究所（京都府京都市）
- Year and Date
  2015-06-25
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] Computations of integral Euler characteristics in graph homologies2015
- Author(s)
  Takuya Sakasai
- Organizer
  Moduli Space, Conformal Field Theory and Matrix Models
- Place of Presentation
  沖縄科学技術大学院大学（沖縄県国頭郡恩納村）
- Year and Date
  2015-03-16
- Data Source
  KAKENHI-PROJECT-24740040
[Presentation] Homologically fibered knots and closed 3-manifolds2015
- Author(s)
  逆井卓也
- Organizer
  Mapping class groups and related topics on geometry and topology
- Place of Presentation
  東京大学（東京都目黒区）
- Year and Date
  2015-10-24
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] On a structure of the symplectic derivation Lie algebra of genus 12015
- Author(s)
  逆井卓也, 鈴木正明, 森田茂之
- Organizer
  日本数学会2015年度年会, トポロジー分科会一般講演
- Place of Presentation
  明治大学（東京都千代田区）
- Year and Date
  2015-03-23
- Data Source
  KAKENHI-PROJECT-24740040
[Presentation] 曲面の写像類群にまつわる話2015
- Author(s)
  逆井卓也
- Organizer
  無限群と幾何学の周辺
- Place of Presentation
  東京大学玉原国際セミナーハウス，群馬県
- Year and Date
  2015-07-12
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Homological fibered lints and closed 3-manifolds2015
- Author(s)
  逆井卓也
- Organizer
  Mapping class groups and related topics on geometry and topology
- Place of Presentation
  東京大学，東京都
- Year and Date
  2015-10-24
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Tautological algebra of mapping class group and representation theory2015
- Author(s)
  森田茂之, 逆井卓也, 鈴木正明
- Organizer
  日本数学会2015年度秋季総合分科会、一般講演
- Place of Presentation
  京都産業大学（京都府京都市）
- Year and Date
  2015-09-13
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] シンプレクティック微分リー代数とモジュライ空間のコホモロジー2015
- Author(s)
  逆井卓也
- Organizer
  広島大学大学院理学研究科数学専攻談話会
- Place of Presentation
  広島大学（広島県東広島市）
- Year and Date
  2015-12-01
- Invited
- Data Source
  KAKENHI-PROJECT-15H03618
[Presentation] 写像類群の安定コホモロジーについて2015
- Author(s)
  逆井卓也
- Organizer
  種々の幾何学的構造と基本群に現れる様々な特性類とそおの不変量への応用
- Place of Presentation
  KKR下呂しらさぎ，岐阜県
- Year and Date
  2015-08-05
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Tautological algebras of mapping class groups and representation theory2015
- Author(s)
  Takuya Sakasai
- Organizer
  MCM2015 autumn
- Place of Presentation
  東京大学，東京都
- Year and Date
  2015-10-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] On homology cobordisms of surface of genus 12015
- Author(s)
  Takuya Sakasai
- Organizer
  French-Japanese workshop on Teichmuller spaces and mapping class groups
- Place of Presentation
  Strasbourg, France
- Year and Date
  2015-06-05
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] On a structure of the symplectic derivation Lie algebra of genus 12015
- Author(s)
  逆井卓也，鈴木正明，森田茂之
- Organizer
  日本数学会年会トポロジー分科会
- Place of Presentation
  明治大学（東京都）
- Year and Date
  2015-03-23
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Tautological algebra of mapping class group and representation theory2015
- Author(s)
  森田茂之，逆井卓也，鈴木正明
- Organizer
  日本数学会秋季総合分科会
- Place of Presentation
  京都産業大学，京都府
- Year and Date
  2015-09-13
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Thompson 群の分類空間の位相について2014
- Author(s)
  逆井卓也
- Organizer
  無限離散群と量子トポロジー
- Place of Presentation
  文部科学省共済組合箱根宿泊所（神奈川県足柄下郡箱根町）
- Year and Date
  2014-12-13
- Data Source
  KAKENHI-PROJECT-24740040
[Presentation] Structure of the symplectic derivation Lie algebra of a free Lie algebra2014
- Author(s)
  Takuya Sakasai
- Organizer
  Conference on Mapping Class Groups of Surfaces and Automorphism Groups of Free Groups
- Place of Presentation
  University of Strasbourg, France
- Year and Date
  2014-09-10
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Computations in formal symplectic geometry and characteristic classes of moduli spaces2014
- Author(s)
  Takuya Sakasai
- Organizer
  New Trends in Teichmueller Theory and Mapping Class Groups
- Place of Presentation
  Oberwolfach (Germany)
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Thompson 群の分類空間の位相2014
- Author(s)
  逆井卓也
- Organizer
  研究集会「無限離散群と量子トポロジー」
- Place of Presentation
  文部科学省共済組合箱根宿泊所（神奈川県）
- Year and Date
  2014-12-13
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Structure of the symplectic derivation Lie algebra of a free Lie algebra2014
- Author(s)
  Takuya Sakasai
- Organizer
  Mapping class groups of surfaces and automorphism groups of free groups
- Place of Presentation
  Strasbourg (France)
- Year and Date
  2014-09-10
- Invited
- Data Source
  KAKENHI-PROJECT-24740040
[Presentation] A generalization of Morita’s trace homomorphisms and applications2014
- Author(s)
  Takuya Sakasai
- Organizer
  写像類群と Teichmueller 空間の幾何
- Place of Presentation
  大阪大学（大阪府豊中市）
- Year and Date
  2014-10-16
- Invited
- Data Source
  KAKENHI-PROJECT-24740040
[Presentation] A generalization of Morita's trace homomorphisms and applications2014
- Author(s)
  Takuya Sakasai
- Organizer
  研究集会「写像類群と Teichmuller 空間の幾何」
- Place of Presentation
  大阪大学（大阪府）
- Year and Date
  2014-10-16
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Symplectic derivation Lie algebras and cohomology of moduli spaces I, II2013
- Author(s)
  逆井卓也
- Organizer
  空間の代数的・幾何的モデルとその周辺
- Place of Presentation
  京都大学数理解析研究所（京都府）
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Johnson homomorphisms up to degree 62013
- Author(s)
  逆井卓也
- Organizer
  ジョンソン準同型
- Place of Presentation
  東京大学（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Realization of representations of the Kauffman skein algebra2013
- Author(s)
  逆井卓也
- Organizer
  曲面の写像類群に関連する幾何と代数
- Place of Presentation
  文部科学省共済組合箱根宿泊所（神奈川県）
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] シンプレクティック微分リー代数とモジュライ空間のコホモロジー2013
- Author(s)
  逆井卓也
- Organizer
  大岡山談話会
- Place of Presentation
  東京工業大学（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Symplectic derivation Lie algebras and cohomology of moduli spaces I, II2013
- Author(s)
  逆井卓也
- Organizer
  空間の代数的・幾何的モデルとその周辺
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-24740040
[Presentation] 曲面の写像類群と自由結合代数のシンプレクティック微分リー代数I, II2012
- Author(s)
  逆井卓也
- Organizer
  第6回福岡・札幌幾何学セミナー
- Place of Presentation
  九州大学西新プラザ
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] 曲面の写像類群と自由結合代数のシンプレクティック微分-代数I, II2012
- Author(s)
  T.Sakasai
- Organizer
  第6回福岡・札幌幾何学セミナー
- Place of Presentation
  九州大学西新プラザ(招待講演)
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] 曲面の写像類群と自由結合代数のシンプレクティック微分リー代数I, II2012
- Author(s)
  逆井卓也
- Organizer
  第6回福岡・札幌幾何学セミナー
- Place of Presentation
  九州大学西新プラザ(招待講演)
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] 自由結合代数のシンプレクティック微分のなすリー代数のアーベル化とその応用2011
- Author(s)
  逆井卓也
- Organizer
  東京理科大学理工学部数学科談話会
- Place of Presentation
  東京理科大学(招待講演)
- Year and Date
  2011-12-09
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] 自由結合代数と自由リー代数の微分のなすリー代数のアーベル化について2011
- Author(s)
  T.Sakasai
- Organizer
  東京工業大学トポロジーセミナー
- Place of Presentation
  東京工業大学
- Year and Date
  2011-06-11
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] 自由結合代数の微分のなすリー代数のアーベル化2011
- Author(s)
  逆井卓也
- Organizer
  リーマン面に関連する位相幾何学
- Place of Presentation
  東京大学(招待講演)
- Year and Date
  2011-09-03
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] The Magnus representation and homology cobordism groups of homology cylinders2011
- Author(s)
  T.Sakasai
- Organizer
  Circle valued Morse theory and Alexander Invariants
- Place of Presentation
  東京大学(招待講演)
- Year and Date
  2011-11-18
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] On a structure of the symplectic derivation Lie algebra of free Lie algebra2011
- Author(s)
  Takuya Sakasai
- Organizer
  Todai Forum 2011 "Geometry and Dynamics"
- Place of Presentation
  Ecole normale superieure de Lyon(フランス)(ポスター発表)
- Year and Date
  2011-10-17
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] 自由リー代数のシンプレクティック微分のなすリー代数の構造について2011
- Author(s)
  T.Sakasai
- Organizer
  トポロジーとコンピュータ2011
- Place of Presentation
  名城大学名駅サテライト
- Year and Date
  2011-11-14
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] On a structure of the symplectic derivation Lie algebra of free Lie algebra2011
- Author(s)
  T.Sakasai
- Organizer
  Todai Forum 2011 "Geometry and Dynamics"
- Place of Presentation
  Ecole Normale Superieure de Lyon
- Year and Date
  2011-10-17
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] 自由結合代数のシンプレクティック微分のなすリー代数のアーベル化とその応用2011
- Author(s)
  逆井卓也
- Organizer
  東京理科大学理工学部数学科談話会
- Place of Presentation
  東京理科大学
- Year and Date
  2011-12-09
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] On a structure of the symplectic derivation Lie algebra of free Lie algebra(ポスター発表)2011
- Author(s)
  Shigeyuki Morita, Takuya Sakasai, Masaaki Suzuki
- Organizer
  Todai Forum 2011 "Geometry and Dynamics"
- Place of Presentation
  Ecole normale superieure de Lyon(フランス)
- Year and Date
  2011-10-17
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] 自由リー代数のシンプレクティック微分のなすリー代数の構造について2011
- Author(s)
  逆井卓也
- Organizer
  トポロジーとコンピュータ2011
- Place of Presentation
  名城大学名駅サテライト
- Year and Date
  2011-11-14
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] 自由結合代数のシンプレクティック微分のなすリー代数のアーベル化とその応用2011
- Author(s)
  T.Sakasai
- Organizer
  東京理科大学理工学部数学科談話会
- Place of Presentation
  東京理科大学(招待講演)
- Year and Date
  2011-12-09
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] The Magnus representation and homology cobordism groups of homology cylinders2011
- Author(s)
  Takuya Sakasai
- Organizer
  GCOE workshop"Circle valued Morse theory and Alexander invariants"
- Place of Presentation
  東京大学
- Year and Date
  2011-11-18
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] 自由結合代数の微分のなすリー代数のアーベル化2011
- Author(s)
  T.Sakasai
- Organizer
  リーマン面に関連する位相幾何学
- Place of Presentation
  東京大学(招待講演)
- Year and Date
  2011-09-03
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] 自由結合代数の微分のなすリー代数のアーベル化2011
- Author(s)
  逆井卓也,鈴木正明
- Organizer
  リーマン面に関連する位相幾何学
- Place of Presentation
  東京大学
- Year and Date
  2011-09-03
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] The Magnus representation and homology cobordism groups of homology cylinders2011
- Author(s)
  Takuya Sakasai
- Organizer
  GCOE workshop "Circle valued Morse theory and Alexander invariants"
- Place of Presentation
  東京大学(招待講演)
- Year and Date
  2011-11-18
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] The Magnus representation and homology cobordism groups of homology cylinders2010
- Author(s)
  逆井卓也
- Organizer
  2010日本数学会年会、トポロジー分科会
- Place of Presentation
  慶応義塾大学
- Year and Date
  2010-03-24
- Data Source
  KAKENHI-PROJECT-19204003
[Presentation] Homology cylinders and knot theory2010
- Author(s)
  Takuya Sakasai
- Organizer
  GCOE and Horiba International Symposium, Knots, Contact Geometry and Floer Homology
- Place of Presentation
  東京大学
- Year and Date
  2010-05-24
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] ohnson homomorphisms in knot theory2010
- Author(s)
  Takuya Sakasai
- Organizer
  Teichmueller theory
- Place of Presentation
  Mathematisches Forschungsinstitut Oberwolfach(ドイツ)
- Year and Date
  2010-12-03
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] Homology cylinders and knot theory2010
- Author(s)
  Takuya Sakasai
- Organizer
  GCOE and Horiba International Symposium "Knots, Contact Geometry and Floer Homology"
- Place of Presentation
  東京大学
- Year and Date
  2010-05-24
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] The Magnus representation and the homology cobordism group of homology cylinders2010
- Author(s)
  Takuya Sakasai
- Organizer
  Teichmueller theory and its Interactions in Mathematics and Physics
- Place of Presentation
  Centre de Recerca Matematica, Bellaterra(スペイン)
- Year and Date
  2010-07-01
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] The Magnus representation and the homology cobordism group of homology cylinders2010
- Author(s)
  Takuya Sakasai
- Organizer
  Teichmueller Theory and its Interactions in Mathematics and Physics
- Place of Presentation
  Centre de Recerca Matematica, Bellaterra(スペイン)
- Year and Date
  2010-07-01
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] Johnson homomorphisms in knot theory2010
- Author(s)
  Takuya Sakasai
- Organizer
  Teichmueller theory
- Place of Presentation
  Mathematisches Forschungsinstitut Oberwolfach(ドイツ)
- Year and Date
  2010-12-03
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] Lagrangian mapping class groups from group homological point of view2009
- Author(s)
  逆井卓也
- Organizer
  International Conference on Loops, strings and moduli spaces
- Place of Presentation
  南開大学(中国)
- Year and Date
  2009-08-03
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] agrangian mapping class groups from group homological point of view2009
- Author(s)
  Takuya Sakasai
- Organizer
  International Conference on Loops, strings and moduli spaces
- Place of Presentation
  南開大学(中国)
- Year and Date
  2009-08-03
- Data Source
  KAKENHI-PROJECT-21740044
[Presentation] Computations of nocommutative Alexander invariants for string links2007
- Author(s)
  Takuya Sakasai
- Organizer
  Tokyo-Seoul Conference in Mathematics-Geometry and Topology
- Place of Presentation
  東京大学駒場キャンパス
- Year and Date
  2007-11-30
- Data Source
  KAKENHI-PROJECT-19840009
[Presentation] シンプレクティック微分リー代数とモジュライ空間のコホモロジー
- Author(s)
  逆井卓也
- Organizer
  大岡山談話会
- Place of Presentation
  東京工業大学
- Invited
- Data Source
  KAKENHI-PROJECT-24740040
[Presentation] 曲面のホモロジー同境群と無限小トレース準同型
- Author(s)
  逆井卓也
- Organizer
  リーマン面に関連する位相幾何学
- Place of Presentation
  東京大学
- Invited
- Data Source
  KAKENHI-PROJECT-24740040
[Presentation] Johnson homomorphisms up to degree 6
- Author(s)
  Takuya Sakasai
- Organizer
  ジョンソン準同型
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-24740040
[Presentation] シンプレクティック微分リー代数とモジュライ空間のコホモロジー
- Author(s)
  逆井卓也
- Organizer
  群と幾何学の展望
- Place of Presentation
  東京大学玉原国際セミナーハウス
- Data Source
  KAKENHI-PROJECT-24740040
[Presentation] Computations of Euler characteristics of graph homologies in low weights
- Author(s)
  Takuya Sakasai
- Organizer
  Low-dimensional Geometry and Topology
- Place of Presentation
  東京工業大学
- Data Source
  KAKENHI-PROJECT-24740040
[Presentation] Computations in formal symplectic geometry and characteristic classes of moduli spaces
- Author(s)
  Takuya Sakasai
- Organizer
  New Trends in Teichmueller Theory and Mapping Class Groups
- Place of Presentation
  Mathematisches Forschungsinstitut Oberwolfach (ドイツ)
- Data Source
  KAKENHI-PROJECT-24740040

1. FUJIWARA Koji (60229078)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
2. SUZUKI Masaaki (70431616)

# of Collaborated Projects: 4 results

# of Collaborated Products: 9 results
3. KOJIMA Sadayoshi (90117705)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
4. KAWAZUMI Nariya (30214646)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. MORITA Shigeyuki (70011674)

# of Collaborated Projects: 3 results

# of Collaborated Products: 8 results
6. KOHNO Toshitake (80144111)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. 山下靖 (70239987)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
8. MORIFUJI Takayuki (90334466)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. TAKASAWA Mitsuhiko (80323822)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. Fujii Michihiko (60254231)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
11. Ohtsuki Tomotada (50223871)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
12. 佐藤隆夫 (70533256)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
13. 伊藤哲也 (00710790)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
14. 谷山公規 (10247207)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
15. 大山淑之 (80223981)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
16. 茂手木公彦 (40219978)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
17. FURUTA Mikio (50181459)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. TSUBOI Takashi (40114566)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. MATSUMOTO Makoto (70231602)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. MITSUMATSU Yoshihiko (70190725)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. KITANO Teruaki (90272658)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. MURAKAMI Jun (90157751)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. AKITA Toshiyuki (30279252)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. HIROSE Susumu (10264144)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. KASAHARA Yasushi (80299370)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. YOSHIDA Tomoyoshi (60055324)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. KIN Eiko (80378554)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. UE Masaaki (80134443)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. ISHIKAWA Goo (50176161)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. GODA HIROSHI (60266913)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
31. 加藤晃史 (10211848)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. 金信泰造 (00152819)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. 玉木大 (10252058)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. 志摩亜希子 (50317765)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. 佐伯修 (30201510)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
36. 森下昌紀 (40242515)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
37. 宮澤康行 (60263761)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
38. 正井秀俊 (40735734)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
39. 小林毅 (00186751)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
40. 北山貴裕 (10700057)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
41. DIETER Kotschick

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
42. ROBERT Penner

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Sakasai Takuya 逆井 卓也

SAKASAI Takuya 逆井 卓也

Research Projects

Research Products

Co-Researchers

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Study on structures of graph complexes and the cohomology rings of various moduli spacesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Structures of symplectic derivation Lie algebras and characteristic classes of moduli spacesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Homology cobordism groups of surfaces and Lie algebras of associated graphsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Structures of the cohomology rings of the Torelli group and Lagrangian mapping class groupsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Sakasai Takuya 逆井卓也

SAKASAI Takuya 逆井卓也