In this paper, we introduce the concept of a group twisted tensor biproduct and give the necessary and su?cient conditions for the new object to be a Hopf group coalgebra.
基金Supported by the Fund of the Key Disciplines of Xinjiang Uygur Autonomous Region(2012ZDXK03)
文摘In this paper, we introduce the concept of a group twisted tensor biproduct and give the necessary and su?cient conditions for the new object to be a Hopf group coalgebra.
基金Supported by NSF(No.11101288)NSF of Zhejing province(No.Y6110323)+1 种基金Jiangsu planned projects for postdoctoral Research Funds(No.0902081C)Project of Shaoxing University(No.09LG1001)