A NOTE ON HOCHSCHILD COHOMOLOGY GROUPS
A NOTE ON HOCHSCHILD COHOMOLOGY GROUPS
Let $K$ be a commutative ring with identity element, and let $\Lambda$ be a K- algebra, that is, an algebra over $K$ with identity element 1.We denote by $\Lambda^{*}$ the opposite algebra of $\Lambda$ , which is in an opposite-isomorphism $\lambda\rightarrow\lambda^{*}$ with $\Lambda$ .Any right $\Lambda$ -module is converted into …