On global dimension of Yetter-Drinfel’d Hopf algebras  

作　　者：WANG YanHua Department of Applied Mathematics, Shanghai University of Finance and Economics, Shanghai 200433, China 

出　　处：《Science China Mathematics》2009年第10期2154-2162,共9页中国科学：数学（英文版）

基　　金：supported by National Natural Science Foundation of China (Grant No. 10726039);the Leading Academic Discipline Program and 211 Project for Shanghai University of Finance and Economics (the 3rd phase)

摘　　要：In this paper, it is proved that the global dimension of a Yetter-Drinfel’d Hopf algebra coincides with the projective dimension of its trivial module k.In this paper, it is proved that the global dimension of a Yetter-Drinfel’d Hopf algebra coincides with the projective dimension of its trivial module k.

关 键 词：Hopf algebras Yetter-Drinfel’d modules Yetter-Drinfel’d Hopf algebras projective dimension global dimension 16W30 16E10 

分 类 号：O153[理学—数学]