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拟Hopf代数上的Doi-Hopf模

Doi-Hopf Modules over Quasi-Hopf Algebras
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摘要 在拟Hopf代数情形中,利用余环的可分函子理论,给出了忘却函子(忽略余作用)可分的充分必要条件,从而诱导出Doi-Hopf模的积分.作为结果应用,证明了拟Hopf代数中Doi-Hopf模的Maschke型定理. In the setting of quasi-Hopf algebras,we use the theories of separable functors for corings to give the necessary and sufficient conditions for the forgetful functor (forgetting the coaction) to be separable,which induces the general integrals for Doi-Hopf datums.As an application of the result,we prove Maschke-type theorems for Doi-Hopf modules in quasi-Hopf algebras.
作者 陈全国
出处 《四川师范大学学报(自然科学版)》 CAS CSCD 北大核心 2014年第5期659-662,共4页 Journal of Sichuan Normal University(Natural Science)
基金 新疆维吾尔自治区普通高等学校重点学科基金(2012ZDXK03)资助项目
关键词 拟Hopf代数 DOI-HOPF模 可分函子 quasi-Hopf algebra Doi-Hopf module separable functor
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