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J-GLOBAL ID：200901096369751919 Update date: Dec. 18, 2024

OHTA Takuya

オオタタクヤ | OHTA Takuya

Affiliation and department：
Job title： Professor
Papers (11)：

Kyo Nishiyama, Takuya Ohta. Enhanced adjoint action and their orbits for the general linear group. Pacific Journal of Mathematics. 2019. 298. 1. 141-155
Ohta Takuya, Nishiyama Kyo. ENHANCED ADJOINT ACTION AND ITS QUOTIENTS. 2018. No.2075. 147-157
Kronecker quiver の定める群作用の半安定軌道の分類. 数理解析研究所講究録. 2011. No.1770. 131-149
Takuya Ohta. Orbits, rings of invariants and Weyl groups for classical $\Theta$-groups. TOHOKU MATHEMATICAL JOURNAL. 2010. 62. 4. 527-558-558
Takuya Ohta. An inclusion between sets of orbits and surjectivity of the restriction map of rings of invariants. Hokkaido Mathematical Journal. 2008. 37. 3. 437-454-454

MISC (7)：

太田琢也. Dual pair の制限として現れる geometric quotient について. 2003 年度表現論シンポジウム講演集. 2003
Z₄-graded Lie 環の巾零軌道と dual pair(U(p.q),U(r.s))のmoment map の幾何. 数理解析研究所講究録1245. 2002
実代数群の巾零軌道の誘導と旗多様体上のK軌道の閉包. 1999
実代数群の標準表現のassociated varietyと巾零軌道の誘導. 1995
古典型対称対の巾零軌道の閉包について. 1989

Books (1)：

Lectures and oral presentations (4)：

Enhanced adjoint action and its quotients
(RIMS 研究集会「表現論と組合せ論」 2017)
Kronecker quiver の定める群作用の半安定軌道の分類
(2011)
$GL_n \times GL_n$ の $M_n\times M_n$ への作用 $(g,h) \dot (X,Y)=(gXh^{-1}, gYh^{-1})$ の半安定軌道の分類
(日本数学会 2010)
古典群の随伴作用に関する軌道の埋め込み定理とその応用
(日本数学会 2009)

Works (7)：

Committee career (1)：

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