搜索结果: 1-1 共查到“数学 Ext algebra”相关记录1条 . 查询时间(0.064 秒)
Abstract: We give the full structure of the Ext algebra of a Nichols algebra of type $A_2$ by using the Hochschild-Serre spectral sequence. As an application, we show that the pointed Hopf algebras $u...