Journal of Jilin University Science Edition
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ZHENG Mali
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The author discussed the reducibility or semisimpleness of Doi Hom-Hopf modules. Given a Doi HomHopf datum (H,A,C), the forgetful functor was used to send the objects in the category MCA of Doi Hom-Hopf modules into the category MA of right (A,β)-Hom-modules, and look for a deformation of a splitting map of a monomorphism in the category MA so as to lead to the integral for Doi HomHopf datum (H,A,C). With the help of the integral introduced, the author proved the Maschketype theorem for Doi Hom-Hopf modules. As an application, the author defined the category of Hom-Yetter-Drinfeld modules and proved the category of HomYetterDrinfeld modules being a subcategory of our category of Doi HomHopf modules, then the author obtained immediately the version of Maschke type theorem for Hom-Yetter-Drinfeld modules.
Key words: Monoidal Hom-Hopf algebra, Doi Hom-Hopf module, Maschke type theorem, Hom-Yetter-Drinfeld module
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ZHENG Mali. Maschke Type Theorem for Doi HomHopf Modules[J].Journal of Jilin University Science Edition, 2016, 54(02): 202-206.
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http://xuebao.jlu.edu.cn/lxb/EN/Y2016/V54/I02/202
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