SASAKI ATSUMU 笹木集夢

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SASAKI Atsumu 笹木集夢

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Researcher Number	60514453
Other IDs
Affiliation (Current)	2025: 東海大学, 理学部, 教授
Affiliation (based on the past Project Information) *help	2023: 東海大学, 理学部, 教授 2015 – 2022: 東海大学, 理学部, 准教授 2017: 東海大学, 理学部数学科, 准教授 2011 – 2014: 東海大学, 理学部, 講師 2013: 東海大学, 理学部数学科, 講師 2010: 早稲田大学, 理工学術院, 助教
Review Section/Research Field	Principal Investigator Algebra / Basic Section 11010:Algebra-related Except Principal Investigator Basic analysis
Keywords	Principal Investigator カルタン分解 / 可視的作用 / 制限ルート / 球等質空間 / 簡約型実球等質空間 / 双対定理 / 不変測度 / 簡約型球等質空間 / リー群の表現論 / スライス … More / 球多様体 / 無重複表現 / ワイルの部屋 / 分裂カルタン部分環 / 半単純対称空間 / ワイル群 / ゲルファント対 / 階数1 / ハイゼンベルグ型ゲルファント対 / ハイゼンベルグ群 / 分岐則 / 完全代表系 / 等質空間上の不変測度 / 群の分解定理 / 一般化された双対性 / 冪零リー群 / ハイゼンベルグリー群 / ハイゼンベルグ等質空間 / 複素等質空間 / 正規実型 / 非対称空間 / ケーリー型 / 認容表現 / 代数学 / 複素多様体 / 表現論 / カルタン分解の一般化 / 群の表現論・複素多様体 … More Except Principal Investigator 分岐則 / 表現論 / リー群 / 不連続群 / 幾何学 / 解析学 / シュレディンガーモデル / 多重積分 / フーリエ変換 / 無重複表現 / シュレーディンガーモデル / 幾何的量子化 / 可視的作用 / 簡約リー群 / ユニタリ表現 / 極小表現 / 関数解析 Less

Weyl groups and Weyl chamber associated to a Cartan decomposition for reductive real spherical homogeneous spacePrincipal Investigator
- Principal Investigator
  
  笹木集夢
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Tokai University
A Cartan decomposition, restricted roots and invariant measure of real spherical homogeneous spaces of reductive typePrincipal Investigator
- Principal Investigator
  
  笹木集夢
- Project Period (FY)
  2019 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Tokai University
A study of Cartan decompositions and invariant measures for spherical homogeneous spaces of reductive typePrincipal Investigator
- Principal Investigator
  
  Atsumu Sasaki
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tokai University
Infinite dimensional representations and global analysis
- Principal Investigator
  
  Kobayashi Toshiyuki
- Project Period (FY)
  2013 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Basic analysis
- Research Institution
  The University of Tokyo
Classification theory of visible actions on complex homogeneous spacesPrincipal Investigator
- Principal Investigator
  
  SASAKI Atsumu
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Tokai University
Analysis of minimal representations and branching laws of infinite-dimensional representations
- Principal Investigator
  
  KOBAYASHI Toshiyuki
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Basic analysis
- Research Institution
  The University of Tokyo
Geometric structures of non-symmetric spherical manifolds by strongly visible actionsPrincipal Investigator
- Principal Investigator
  
  SASAKI Atsumu
- Project Period (FY)
  2010 – 2011
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Tokai University
  Waseda University

[Journal Article] Visible actions and criteria for multiplicity-freeness of restrictions of quasi-regular representations of Heisenberg groups2022
- Author(s)
  笹木集夢
- Journal Title
  
  RIMS講究録「表現論とその周辺分野における諸問題」
  
  Volume: 2234
- Data Source
  KAKENHI-PROJECT-19K03453
[Journal Article] 無重複表現と可視的作用2022
- Author(s)
  笹木集夢
- Journal Title
  
  日本数学会「数学」
  
  Volume: 74
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03453
[Journal Article] A duality between non-compact semisimple symmetric pairs and commutative compact semisimple symmetric triads and its general theory2021
- Author(s)
  Baba Kurando、Ikawa Osamu、Sasaki Atsumu
- Journal Title
  
  Differential Geometry and its Applications
  
  Volume: 76 Pages: 101751-101751
- DOI
  10.1016/j.difgeo.2021.101751
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03453
[Journal Article] Visible actions and criteria for multiplicity-freeness of representations of Heisenberg groups2021
- Author(s)
  Ali Baklouti and Atsumu Sasaki
- Journal Title
  
  Journal of Lie Theory
  
  Volume: 31
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03453
[Journal Article] A Cartan decomposition for non-symmetric reductive spherical pairs of rank-one type and its application to visible actions, accepted for publication2019
- Author(s)
  Atsumu Sasaki
- Journal Title
  
  Geometric and Harmonic Analysis on Homogeneous Spaces and Applications, Springer Proceedings in Mathematics & Statistics
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04797
[Journal Article] Dimension Formula for Slice for Visible Actions on Spherical Nilpotent Orbits in Complex Simple Lie Algebras2017
- Author(s)
  Sasaki Atsumu
- Journal Title
  
  Geometric and Harmonic Analysis on Homogeneous Spaces and Applications, Springer Proceedings in Mathematics & Statistics
  
  Volume: 207 Pages: 209-234
- DOI
  10.1007/978-3-319-65181-1_8
- ISBN
  9783319651804, 9783319651811
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04797
[Journal Article] A Duality Between Compact Symmetric Triads and Semisimple Pseudo-Riemannian Symmetric Pairs with Applications to Geometry of Hermann Type Actions2017
- Author(s)
  Baba Kurando、Ikawa Osamu、Sasaki Atsumu
- Journal Title
  
  Hermitian-Grassmannian Submanifold, Springer Proceedings in Mathematics & Statistics
  
  Volume: 203 Pages: 211-221
- DOI
  10.1007/978-981-10-5556-0_18
- ISBN
  9789811055553, 9789811055560
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04797, KAKENHI-PROJECT-16K05128
[Journal Article] Visible actions on spherical nilpotent orbits2015
- Author(s)
  笹木集夢
- Journal Title
  
  京都大学数理解析研究所講究録1929 「群作用と部分多様体論の展開」
  
  Volume: 1929 Pages: 112-123
- NAID
  130008005001
- Data Source
  KAKENHI-PROJECT-24740026
[Journal Article] Admissible representations, multiplicity-free representations and visible actions on non-tube type Hermitian symmetric spaces2015
- Author(s)
  Atsumu SASAKI
- Journal Title
  
  Proceedings of the Japan Academy, Ser. A
  
  Volume: 91 Pages: 70-75
- NAID
  40020491105
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24740026
[Journal Article] A generalized Cartan decomposition for spherical 4-symmetric spaces2013
- Author(s)
  笹木集夢
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 1825
- Data Source
  KAKENHI-PROJECT-24740026
[Journal Article] Visible actions on reducible multiplicity-free spaces2011
- Author(s)
  Atsumu Sasaki
- Journal Title
  
  International Mathematics Research Notices
  
  Volume: 2011 Pages: 885-929
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740029
[Journal Article] Visible actions on the non-symmetric homogeneous space SO(8, C)/G_2(C)2011
- Author(s)
  Atsumu Sasaki
- Journal Title
  
  Advances in Pure and Applied Mathematics
  
  Volume: Vol.2 Pages: 437-450
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740029
[Journal Article] A generalized Cartan decomposition for the non-syammetric space SL(2n+1,C)/Sp(n,C)2011
- Author(s)
  笹木集夢
- Journal Title
  
  研究集会「部分多様体幾何とリー群作用」記録集(ed.小池直之氏)
  
  Pages: 1-11
- Data Source
  KAKENHI-PROJECT-22740029
[Journal Article] Visible actions on the non-symmetric homogeneous space SO(8,C)/G_2(C)2011
- Author(s)
  Atsumu Sasaki
- Journal Title
  
  Advances in Pure and Applied Mathematics
  
  Volume: 2 Issue: 3-4 Pages: 437-450
- DOI
  10.1515/apam.2010.039
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740029
[Journal Article] A generalized Cartan decomposition for the double coset space SU(2n+1)＼SL(2n+1,C)/Sp(n,C)2010
- Author(s)
  Atsumu Sasaki
- Journal Title
  
  Journal of Mathematical Sciences, the University of Tokyo
  
  Volume: 17 Pages: 201-215
- NAID
  120006906053
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740029
[Journal Article] A generalized Cartan decomposition for the double coset space SU(2n+1)＼SL(2n+1,C)/Sp(n,C)2010
- Author(s)
  笹木集夢
- Journal Title
  
  京都大学数理解析研究所講究録「等質空間と非可換調和解析」(eds.和地輝仁氏, 西山享氏)
  
  Volume: 1722 Pages: 20-30
- NAID
  120006906053
- Data Source
  KAKENHI-PROJECT-22740029
[Journal Article] Visible actions on the non-symmetric homogeneous space SO(8,C)/G_2(C)2010
- Author(s)
  Atsumu Sasaki
- Journal Title
  
  Advances in Pure and Applied Mathematics
  
  Volume: (online publication)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740029
[Journal Article] Visible actions on nilpotent orbits of height two2010
- Author(s)
  笹木集夢
- Journal Title
  
  2010年度表現論シンポジウム講演集(eds.関口次郎氏, 太田琢也氏)
  
  Pages: 58-65
- NAID
  130008004925
- Data Source
  KAKENHI-PROJECT-22740029
[Journal Article] A characterization of non-tube type Hermitian symmetric spaces by visible actions2010
- Author(s)
  Atsumu Sasaki
- Journal Title
  
  Geometriae Dedicata
  
  Volume: 145 Pages: 151-158
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740029
[Journal Article] A generalized Cartan decomposition for the double coset space SU(2n+1)＼SL(2n+1, C)/Sp(n, C)2010
- Author(s)
  Atsumu Sasaki
- Journal Title
  
  Journal of Mathematical Sciences
  
  Volume: Vol.17 Pages: 201-215
- NAID
  120006906053
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] Weyl group of pseudo-Riemannian symmetric space2024
- Author(s)
  笹木集夢
- Organizer
  2023年度表現論ワークショップ
- Data Source
  KAKENHI-PROJECT-23K03037
[Presentation] Weyl group of pseudo-Riemannian semisimple symmetric spaces2024
- Author(s)
  笹木集夢
- Organizer
  日本数学会2024年度年会函数解析学分科会
- Data Source
  KAKENHI-PROJECT-23K03037
[Presentation] Visible actions on reductive spherical homogeneous spaces and their invariant measures2023
- Author(s)
  笹木集夢
- Organizer
  Lie群論・表現論セミナー／トポロジー火曜セミナーとの合同セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-19K03453
[Presentation] Invariant measures on reductive real spherical homogeneous spaces2023
- Author(s)
  Atsumu Sasaki
- Organizer
  7th Tunisian-Japanese Conference ``Geometric and Harmonic Analysis on Homogeneous Spaces and Applications'' in Honor of Professor Toshiyuki Kobayashi
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03453
[Presentation] A realization of the restriction of quasi-regular representations of the Heisenberg group2022
- Author(s)
  笹木集夢
- Organizer
  日本数学会2022年度年会函数解析学分科会
- Data Source
  KAKENHI-PROJECT-19K03453
[Presentation] Invariant measures on non-symmetric reductive spherical homogeneous spaces of rank-one type2022
- Author(s)
  笹木集夢
- Organizer
  日本数学会2022年度秋季総合分科会函数解析学分科会, 北海道大学
- Data Source
  KAKENHI-PROJECT-19K03453
[Presentation] Visible actions and criteria for multiplicity-freeness of restrictions of quasi-regular representations of Heisenberg groups2022
- Author(s)
  笹木集夢
- Organizer
  RIMS共同研究（公開型）「表現論とその周辺分野における諸問題」, 京都大学
- Data Source
  KAKENHI-PROJECT-19K03453
[Presentation] Geometric criteria for multiplicity-freeness of representations of Heisenberg group2021
- Author(s)
  笹木集夢
- Organizer
  部分多様体幾何とリー群作用2020
- Invited
- Data Source
  KAKENHI-PROJECT-19K03453
[Presentation] Visible actions and geometric criteria for multiplicity-freeness of representations of Heisenberg groups2021
- Author(s)
  笹木集夢
- Organizer
  日本数学会2021年度秋季総合分科会函数解析学分科会
- Data Source
  KAKENHI-PROJECT-19K03453
[Presentation] Visible actions and geometric criteria for multiplicity-freeness of representations of Heisenberg groups2020
- Author(s)
  Atsumu Sasaki
- Organizer
  AG Lie-Gruppen, Friedrich-Alexander Universitat, Erlangen-Nurnberg, Germany
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03453
[Presentation] A duality between non-compact semisimple symmetric pairs and commutative compact semisimple symmetric triads2020
- Author(s)
  Atsumu Sasaki
- Organizer
  AG Lie-Gruppen, Friedrich-Alexander Universitat, Erlangen-Nurnberg, Germany
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03453
[Presentation] Visible actions on complex Heisenberg homogeneous spaces and geometric criterion for multiplicity-freeness of representations2019
- Author(s)
  Atsumu Sasaki
- Organizer
  6th Tunisian-Japanese conference "Geometric and Harmonic Analysis on Homogeneous Spaces and Applications", Djerba, Tunisia
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03453
[Presentation] Visible actions on Heisenberg homogeneous spaces2019
- Author(s)
  笹木集夢
- Organizer
  2018表現論ワークショップ
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] Visible actions on complex Heisenberg homogeneous spaces2019
- Author(s)
  笹木集夢
- Organizer
  日本数学会2019年度秋季総合分科会函数解析学分科会，金沢大学
- Data Source
  KAKENHI-PROJECT-19K03453
[Presentation] An explicit description of a Cartan decomposition for spherical homogeneous spaces2019
- Author(s)
  Atsumu Sasaki
- Organizer
  The 2nd International Conference: Geometry of Submanifolds and Integrable Systems
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] Visible actions on Heisenberg homogeneous spaces and application to representation theory2019
- Author(s)
  笹木集夢
- Organizer
  2019名城幾何学研究集会「多様体上の種々の幾何構造の融合」
- Invited
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] 簡約型球等質空間およびその実型に対するカルタン分解とその双対性2018
- Author(s)
  笹木集夢
- Organizer
  福島幾何学研究集会2018
- Invited
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] Introduction to visible actions on complex manifolds2018
- Author(s)
  Atsumu Sasaki
- Organizer
  Seminar of Department of Mathematics, University of Sfax
- Invited
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] 擬リーマン幾何学におけるキャリブレーション不等式と双対性2018
- Author(s)
  馬場蔵人，井川治，笹木集夢
- Organizer
  日本数学会2018年度年会幾何学分科会（東京都）
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] A Cartan decomposition for spherical homogeneous spaces of reductive type2018
- Author(s)
  笹木集夢
- Organizer
  日本数学会2018年度年会函数解析学分科会
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] 簡約型球等質空間に対するカルタン分解2018
- Author(s)
  笹木集夢
- Organizer
  首都大学東京幾何学セミナー（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] キャリブレーション等式と超極作用2018
- Author(s)
  馬場蔵人，井川治，笹木集夢
- Organizer
  日本数学会2018年度年会幾何学分科会（東京都）
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] Recent study on strongly visible actions on complex manifolds2018
- Author(s)
  Atsumu Sasaki
- Organizer
  Seminar of Department of Mathematics, University of Sfax
- Invited
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] Admissible representations, multiplicity-free representations and visible actions on non-tube type Hermitian symmetric spaces2017
- Author(s)
  笹木集夢
- Organizer
  Meeting for Study of Number theory, Hopf algebras and related topics
- Place of Presentation
  富山大学（富山県）
- Year and Date
  2017-02-15
- Invited
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] ケーリー型球等質空間における群作用と軌道分解2017
- Author(s)
  笹木集夢
- Organizer
  多様体上の計量と幾何構造
- Place of Presentation
  名城大学（愛知県）
- Year and Date
  2017-03-02
- Invited
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] A Cartan decomposition for spherical homogeneous spaces of reductive type2017
- Author(s)
  Atsumu Sasaki
- Organizer
  5th Tunisian-Japanese Conference: Geometric and Harmonic Analysis on Homogeneous Spaces and Applications（マーディア，チュニジア）
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] 既約球等質空間のカルタン分解について2017
- Author(s)
  笹木集夢
- Organizer
  2016年度表現論ワークショップ
- Place of Presentation
  県民ふれあいセンター（鳥取県立生涯学習センター）（鳥取県）
- Year and Date
  2017-01-08
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] A generalization of Cartan decomposition for non-symmetric spherical homogeneous spaces2016
- Author(s)
  笹木集夢
- Organizer
  The 5th KMITL-TKU Joint Symposium on Mathematics and Applied Mathematics
- Place of Presentation
  King Mongkut's Institute of Technology Ladkrabang （タイ・バンコク）
- Year and Date
  2016-03-21
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] Admissible representations, multiplicity-free representations and visible actions on non-tube type Hermitian symmetric spaces2016
- Author(s)
  笹木集夢
- Organizer
  広島大学トポロジー・幾何セミナー
- Place of Presentation
  広島大学（広島県）
- Year and Date
  2016-10-11
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] 半単純擬リーマン対称対の分類の別証明－コンパクト対称三対の視点から－2016
- Author(s)
  馬場蔵人，井川治，笹木集夢
- Organizer
  日本数学会2016年度秋季総合分科会幾何学分科会
- Place of Presentation
  関西大学（大阪府）
- Year and Date
  2016-09-17
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] A duality between semisimple pseudo-Riemannian symmetric pairs and compact symmetric triads2016
- Author(s)
  馬場蔵人，井川治，笹木集夢
- Organizer
  日本数学会2016年度秋季総合分科会幾何学分科会
- Place of Presentation
  関西大学（大阪府）
- Year and Date
  2016-09-17
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] 非対称球等質空間に対するカルタン分解と制限ルートについて2015
- Author(s)
  笹木集夢
- Organizer
  東京理科大学神楽坂幾何セミナー
- Place of Presentation
  東京理科大学（東京都）
- Year and Date
  2015-12-05
- Invited
- Data Source
  KAKENHI-PROJECT-15K04797
[Presentation] A Cartan decomposition for holomorphic line bundles over Hermitian symmetric spaces and its application to visible actions2014
- Author(s)
  Atsumu Sasaki
- Organizer
  The Fourth TKU-KMITL Joint Symposium on Mathematics and Applied Mathematics
- Place of Presentation
  Tokai University
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] Compatible automorphisms for visible linear actions2013
- Author(s)
  笹木集夢
- Organizer
  日本数学会2013年度年会函数解析学分科会
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] A characterization of non-tube type Hermitian symmetric spaces by visible actions2013
- Author(s)
  Atsumu Sasaki
- Organizer
  JSPS--NWO Seminar "Analysis, Geometry and Group Representations for Homogeneous Spaces
- Place of Presentation
  Nagoya University
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] A characterization of non-tube type Hermitian symmetric spaces by visible actions2013
- Author(s)
  Atsumu Sasaki
- Organizer
  3rd Tunisian--Japanese Conference `Geometric and Harmonic Analysis on Homogeneous Spaces and Applications in Honor of Prof. Hidenori Fujiwara
- Place of Presentation
  El Mouradi Palace Hotel, Hammamet, Tunisia
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] ケーリー型球等質空間に対するカルタン分解の一般化2013
- Author(s)
  笹木集夢
- Organizer
  2013年度表現論ワークショップ
- Place of Presentation
  京都大学大学院理学研究科セミナーハウス
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] Property of abelian part of Cartan decomposition for line bundles over Hermitian symmetric spaces2013
- Author(s)
  笹木集夢
- Organizer
  日蘭共同セミナー整理会
- Place of Presentation
  九州大学
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] A characterization of non-tube type Hermitian symmetric spaces by visible actions2013
- Author(s)
  Atsumu Sasaki
- Organizer
  Oberwolfach Workshop ``Representations of Lie Groups and Supergroups''
- Place of Presentation
  Mathematisches Forschungsinstitut Oberwolfach, Germany
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] A generalized Cartan decomposition for spherical 4-symmetric spaces2012
- Author(s)
  笹木集夢
- Organizer
  京都大学数理解析研究所研究集会「表現論と非可換調和解析の展望」
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] A generalization of a Cartan decomposition for spherical 4-symmetric spaces2012
- Author(s)
  笹木集夢
- Organizer
  日本数学会2012年度年会函数解析学分科会
- Place of Presentation
  東京理科大学
- Year and Date
  2012-03-29
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] An application of the classification of visible linear actions to nilpotent orbits2012
- Author(s)
  笹木集夢
- Organizer
  金沢大学数理学談話会(世話人:甲斐千舟氏)
- Place of Presentation
  金沢大学
- Year and Date
  2012-02-01
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] Visible actions on multiplicity-free spaces and its application to nilpotent orbits2012
- Author(s)
  笹木集夢
- Organizer
  第11回可換論と鏡映群の表現論研究集会(世話人:沼田泰英氏,前野俊昭氏,和地輝仁氏,張間忠人氏)
- Place of Presentation
  東海大学
- Year and Date
  2012-03-08
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] A generalization of a Cartan decomposition for spherical 4-symmetric Spaces2012
- Author(s)
  笹木集夢
- Organizer
  日本数学会2012年度年会函数解析学分科会
- Place of Presentation
  東京理科大学
- Year and Date
  2012-03-29
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] Some remarks on visible actions on multiplicity-free spaces2012
- Author(s)
  Atsumu Sasaki
- Organizer
  The Third KMITL-TKU Joint International Symposium on Mathematics and Applied Mathematics
- Place of Presentation
  Ambassador City Jomtien Hotel, Pattaya, Thailand
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] An application of the classification of visible linear actions to nilpotent orbits2011
- Author(s)
  笹木集夢
- Organizer
  京都表現論セミナー
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2011-06-24
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] 球冪零軌道への強可視的作用における反正則微分同相およびスライスの構成2011
- Author(s)
  笹木集夢
- Organizer
  2011年度表現論ワークショップ(世話人:伊師英之氏,井上順子氏,橋本隆司氏)
- Place of Presentation
  県民ふれあい会館(鳥取県立生涯学習センター)
- Year and Date
  2011-12-26
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] An application of the classification of visible linear actions to nilpotent orbits2011
- Author(s)
  Atsumu Sasaki
- Organizer
  JSPS. MHESRT Seminar : Geometric and Harmonic Analysis on Homogeneous Spaces and Application
- Place of Presentation
  El Mouradi Palace Hotel, Port Elkantaoui
- Year and Date
  2011-12-16
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] A generalized Cartan decomposition for spherical 4-symmetric spaces2011
- Author(s)
  笹木集夢
- Organizer
  研究集会「部分多様体幾何とリー群作用」(世話人:小池直之氏)
- Place of Presentation
  東京理科大学
- Year and Date
  2011-09-02
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] An application of the classification of visible linear actions to nilpotent orbits2011
- Author(s)
  Atsumu Sasaki
- Organizer
  JSPS-MHESRT Seminar : Geometric and Harmonic Analysis on Homogeneous Spaces and Application (organizers : A.Baklouti, T.Nomura)
- Place of Presentation
  E1 Mouradi Palace Hotel, Port Elkantaoui, Sousse, Tunisia
- Year and Date
  2011-12-16
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] A generalized Cartan decomposition for SL(2n+1, C)/Sp(n, C)2011
- Author(s)
  Atsumu Sasaki
- Organizer
  DFG. JSPS Seminar "Lie Groups : Geometry and Analysis"
- Place of Presentation
  パーダーボルン大学,ドイツ
- Year and Date
  2011-09-07
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] A generalized Cartan decomposition for spherical 4-symmetric spaces2011
- Author(s)
  笹木集夢
- Organizer
  研究集会「部分多様体幾何とリー群作用」
- Place of Presentation
  東京理科大学
- Year and Date
  2011-09-02
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] A generalized Cartan decomposition for SL(2n+1,C)/Sp(n,C)2011
- Author(s)
  Atsumu Sasaki
- Organizer
  DFG-JSPS Seminar "Lie Groups : Geometry and Analysis" (organizers : J.Hilgert, K.-H.Neeb, T.Nomura, D.Poguntke)
- Place of Presentation
  Universitaet Paderborn, Germany
- Year and Date
  2011-09-07
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] Visible actions on multiplicity-free spaces2010
- Author(s)
  Atsumu Sasaki
- Organizer
  Lorentz Center Workshop: Analysis, Geometry and Group Representations for Homogeneous Spaces (organizers: T.Nomura, G.Helminck)
- Place of Presentation
  Lorentz Center, Leiden, Netherlands
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] A generalized Cartan decomposition for the double coset space SU(2n+1)＼SL(2n+1, C)/Sp(n, C)2010
- Author(s)
  笹木集夢
- Organizer
  京都大学数理解析研究所研究集会「等質空間と非可換調和解析」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2010-06-14
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] Visible actions on multiplicity-free spaces2010
- Author(s)
  Atsumu Sasaki
- Organizer
  Oberwolfach Workshop : Infinite Dimensional Lie Theory
- Place of Presentation
  Mathematisches Forschungsinstitut Oberwolfach,ドイツ
- Year and Date
  2010-11-17
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] Visible actions on multiplicity-free spaces, Lorentz Center Workshop : Analysis2010
- Author(s)
  Atsumu Sasaki
- Organizer
  Geometry and Group Representations for Homogeneous Spaces
- Place of Presentation
  Lorentz Center,オランダ
- Year and Date
  2010-11-23
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] A generalized Cartan decomposition for the non-symmetric homogeneous space SL(2n+1, C)/Sp(n, C)2010
- Author(s)
  笹木集夢
- Organizer
  研究集会「部分多様体幾何とリー群作用」
- Place of Presentation
  東京理科大学
- Year and Date
  2010-09-08
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] Visible actions on spherical nilpotent orbits2010
- Author(s)
  笹木集夢
- Organizer
  2010年度表現論シンポジウム
- Place of Presentation
  おおとり荘(静岡県)
- Year and Date
  2010-11-10
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] A generalized Cartan decomposition for the non-symmetric homogeneous space SL(2n+1,C)/Sp(n,C)2010
- Author(s)
  笹木集夢
- Organizer
  研究集会「部分多様体幾何とリー群作用」(研究代表者:安部直人氏, 小池直之氏)
- Place of Presentation
  東京理科大学
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] A generalized Cartan decomposition for the double coset space SU(2n+1)＼SL(2n+1,C)/Sp(n,C)2010
- Author(s)
  笹木集夢
- Organizer
  京都大学数理解析研究所研究集会「等質空間と非可換調和解析」(研究代表者:和地輝仁氏, 副代表者:西山享氏)
- Place of Presentation
  京都大学数理解析研究所, 京都大学
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] Visible actions on multiplicity-free spaces2010
- Author(s)
  Atsumu Sasaki
- Organizer
  Oberwolfach Workshop : Infinite Dimensional Lie Theory (organizers : K.-H.Neeb, A.Pianzola, T.Ratiu)
- Place of Presentation
  Mathematisches Forschungsinstitut Oberwolfach, Germany(招待講演)
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] Visible actions on spherical nilpotent orbits2010
- Author(s)
  笹木集夢
- Organizer
  2010年度表現論シンポジウム(世話人:関口次郎氏, 太田琢也氏)
- Place of Presentation
  おおとり荘, 静岡県
- Data Source
  KAKENHI-PROJECT-22740029
[Presentation] Visible actions on spherical nilpotent orbits
- Author(s)
  Atsumu Sasaki
- Organizer
  Analysis, Geometry and Representations on Lie Groups and Homogeneous Spaces
- Place of Presentation
  Ryad Mogador Opera Hotel, Marrakech, Morocco
- Year and Date
  2014-12-08 – 2014-12-12
- Invited
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] Visible actions on spherical nilpotent orbits
- Author(s)
  Atsumu Sasaki
- Organizer
  京都大学数理解析研究所研究集会「群作用と部分多様体論の展開」
- Place of Presentation
  京都大学数理解析研究所（京都府京都市左京区北白川）
- Year and Date
  2014-06-25 – 2014-06-27
- Invited
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] A characterization of non-tube type Hermitian symmetric spaces by visible actions
- Author(s)
  笹木集夢
- Organizer
  東京大学数理セミナー　--- リー群論・表現論セミナー
- Place of Presentation
  東京大学数理科学研究所
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] A Cartan decomposition for Cayley type homogeneous spaces
- Author(s)
  笹木集夢
- Organizer
  日本数学会2014年度秋季総合分科会
- Place of Presentation
  広島大学（広島県東広島市鏡山）
- Year and Date
  2014-09-25 – 2014-09-28
- Data Source
  KAKENHI-PROJECT-24740026
[Presentation] Visible actions on spherical nilpotent orbits
- Author(s)
  笹木集夢
- Organizer
  2014年度表現論シンポジウム
- Place of Presentation
  夢海游　淡路島（兵庫県洲本市山手）
- Year and Date
  2014-11-25 – 2014-11-28
- Data Source
  KAKENHI-PROJECT-24740026

1. KOBAYASHI Toshiyuki (80201490)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
2. HIRACHI Kengo (60218790)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. SEKIGUCHI Hideko (50281134)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. OSHIMA Toshio (50011721)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. KOHNO Toshitake (80144111)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. OCHIAI Hiroyuki (90214163)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. KANAI Masahiko (70183035)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. MATSUKI TOSHIHIKO (20157283)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

SASAKI ATSUMU 笹木 集夢

SASAKI Atsumu 笹木 集夢

Research Projects

Research Products

Co-Researchers

Weyl groups and Weyl chamber associated to a Cartan decomposition for reductive real spherical homogeneous spacePrincipal Investigator

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A Cartan decomposition, restricted roots and invariant measure of real spherical homogeneous spaces of reductive typePrincipal Investigator

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A study of Cartan decompositions and invariant measures for spherical homogeneous spaces of reductive typePrincipal Investigator

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Infinite dimensional representations and global analysis

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Classification theory of visible actions on complex homogeneous spacesPrincipal Investigator

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Analysis of minimal representations and branching laws of infinite-dimensional representations

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Geometric structures of non-symmetric spherical manifolds by strongly visible actionsPrincipal Investigator

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[Journal Article] Visible actions and criteria for multiplicity-freeness of restrictions of quasi-regular representations of Heisenberg groups2022

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[Journal Article] 無重複表現と可視的作用2022

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[Journal Article] A duality between non-compact semisimple symmetric pairs and commutative compact semisimple symmetric triads and its general theory2021

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[Journal Article] Visible actions and criteria for multiplicity-freeness of representations of Heisenberg groups2021

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[Journal Article] A Cartan decomposition for non-symmetric reductive spherical pairs of rank-one type and its application to visible actions, accepted for publication2019

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[Journal Article] Dimension Formula for Slice for Visible Actions on Spherical Nilpotent Orbits in Complex Simple Lie Algebras2017

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[Journal Article] A Duality Between Compact Symmetric Triads and Semisimple Pseudo-Riemannian Symmetric Pairs with Applications to Geometry of Hermann Type Actions2017

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SASAKI ATSUMU 笹木集夢

SASAKI Atsumu 笹木集夢