Actions of parabolic subgroups in GL_n on unipotent normal subgroups and quasi-hereditary algebras
Volume 83 / 2000
Colloquium Mathematicum 83 (2000), 281-294
DOI: 10.4064/cm-83-2-281-294
Abstract
Let R be a parabolic subgroup in $GL_n$. It acts on its unipotent radical $R_u$ and on any unipotent normal subgroup U via conjugation. Let Λ be the path algebra $k
