相对Hopf模的同调维数与半单性

• 作 者: 祝家贵
• 机 构: Department of Mathematics, West Anhui University, Luan, Anhui, 237012
• 出 处: 东北数学（英文版）
• 发表日期: 2004年3期
• 关键词: relative Hopf module homological dimension semisimplicity

Let H be a Hopf algebra over a field with bijective antipode, and A a commutative cleft right H-comodule algebra. In this paper, we investigate the homological dimensions and the semisimplicity of the category of relative Hopf modules AMH.