机构地区: 广西师范学院数学科学学院
出 处: 《广西科学院学报》 2010年第1期4-6,共3页
摘 要: 引进交叉积的对偶定义交叉余积,并在交叉余积余代数和特殊扭余积余代数同构时,讨论交叉余积成为余代数的等价问题. The dual definition of crossed product is introduced.The isomorphism of special case between crossed coproducts coalgebra and twist coproduct coalgebra is considered.The question when two crossed coproducts are equivalence as coalgebra is discussed.