NISHIYAMA Kyo

ニシヤマキョウ | NISHIYAMA Kyo

Affiliation and department：
Job title： Professor

Research field (6)： Algebra , Geometry , Applied mathematics and statistics , Basic analysis , Algebra , Basic mathematics

Research theme for competitive and other funds (13)：

2021 - 2026 Orbits on flag varieties and their combinatorics
2016 - 2021 Multiple flag varieties and exotic nilpotent varieties
2013 - 2016 Geometry on Homogeneous Spaces and Tropical Varieties
2009 - 2014 Orbits on flag varieties and moment maps
2006 - 2010 Homogeneous spaces and unitary representations - a modern overview from duality

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Papers (58)：

Lucas Fresse, Kyo Nishiyama. Action of Hecke algebra on the double flag variety of type AIII. Advances in Applied Mathematics. 2024. 153
Lucas Fresse, Kyo Nishiyama. On generalized Steinberg theory for type AIII. Algebraic Combinatorics. 2023. 6. 1. 165-195
西山享. 堀田良之:対称空間今昔譚,数学書房,2019年,viii+228ページ. 数学. 2022. 74. 1. 81-85
Lucas Fresse, Kyo Nishiyama. Orbit embedding for double flag varieties and Steinberg maps. Lie Groups, Number Theory, and Vertex Algebras. 2021. 768. 21-42
Lucas Fresse, Kyo Nishiyama. A Generalization of Steinberg Theory and an Exotic Moment Map. International Mathematics Research Notices. 2020. rnaa080

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Books (9)：

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Lectures and oral presentations (81)：

Real double flag varieties and Lagrangian-Grassmann variety of Hermitian type
(Representation Theory and Related Topics: homaloidal maps and Clifford theory 2024)
Quiver representations and double flag varieties
(Representation Theory XVIII 2023)
Hecke module structure on the orbits in double flag varieties
(Representation Theory XVII 2022)
Hecke algebra actions on a double flag variety
(Representations and Characters: Revisiting the Works of Harish-Chandra and André Weil --A satellite conference of the virtual ICM 2022 (01 Jul 2022 -- 15 Jul 2022) 2022)
Hecke algebra representations on orbits of a double flag variety
(2021)

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Works (17)：

ICMサテライト研究集会@シンガポール見聞記
西山享 2023 -
表現論入門 : 群・代数・箙と圏の表現
EtingofPavel, GolbergOleg, HenselSebastian, LiuTiankai, SchwendnerAlex, VaintrobDmitry, YudovinaElena, GerovitchSlava, 西山享 2023 -
表現論のあるき方,ヤング図形のあそび方
西山享 2022 -
書評: David H. Collingwood and William M. McGovern: Nilpotent Orbits in Semisimple Lie Algebras, Van Nostrand Reinhold Math. Ser., Chapman and Hall/CRC, 1993年,192ページ.
西山享 2018 -
Weylの愛した調和解析 (特集ワイル : 現代の数学と物理に与えた影響を探る)
西山享 2016 -

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Education (3)：

Professional career (1)：

Work history (7)：

2021/04 - 現在 Aoyama Gakuin University College of Science and Engineering Department of Mathematical Sciences Professor
2009/04 - 2021/03 Aoyama Gakuin University College of Science and Engineering Department of Physics and Mathematics Professor
2007/04 - 2009/03 Kyoto University Department of Mathematics, Faculty of Science Associate Professor
2003/04 - 2007/03 Kyoto University Department of Mathematics, Faculty of Science Associate Professor
1992/10 - 2003/03 Kyoto University Faculty of Integrated Human Studies Associate Professor

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Committee career (1)：

Association Membership(s) (2)：

American Mathematical Society , Mathematical Society of Japan

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