论文标题
Hochschild扩展的对称标准
Symmetry criteria for Hochschild extensions
论文作者
论文摘要
我们给出了两个足够和必要的条件,以通过其双模模和Hochschild 2 Cocycle作为对称代数的有限尺寸代数的Hochschild延伸。
We give two sufficient and necessary conditions for a Hochschild extension of a finite dimensional algebra by its dual bimodule and a Hochschild 2-cocycle to be a symmetric algebra.