Hochschild cohomology of fully group-graded algebras as Mackey functor
  We prove that Hochschild cohomology of a certain class of fully group-graded algebras is a Mackey functor. We use the machinery of transfer maps between the Hochschild cohomology of symmetric algebras. 
Tiberiu Coconet and Constantin-Cosmin Todea
math.RA math.GR