Two problems in the representation theory of reduced enveloping algebras
2024年9月26日 - and letbe its Lie algebra. We pick a maximal torusofand a Borel subgroupofcontaining, and denote their Lie algebras byandrespectively. We th...
Borel线性代数群
Reductive group actions
2025年1月3日 - In this paper, we study rationality properties of reductive group actions over fieldskݑ�kitalic_kof characteristic zero. Thereby, we unify...
[1106.4810] The fundamental group of reductive Borel-Serre and Satake ...
2015年1月8日 - when $v$ is a finite place. The main result of this paper is an explicit computation of the fundamental group of the reductive Borel-Serre c...
[2506.01530] Multiple rational normal forms in Lie theory
2025年6月2日 - $ and a Borel subgroup $\mathcal{B}_+$ opposite to $\mathcal{N}_-$, and $\bar{u}$ is a representative of a Weyl group element $u$. We introd...
[2405.13774] Orbit structures and complexity in Schubert and Richardson ...
2024年5月22日 - we exhibit a codimension preserving bijection between the Levi-Borel subgroup (a Borel subgroup in the Levi subgroup) orbits in the big open...
[2503.00183] On smooth-group actions on reductive groups and spherical ...
2025年2月28日 - we do not need to assume that $\Gamma$ has order relatively prime to the characteristic of $k$ (nor even that $\Gamma$ is finite), nor that ...