Happel's question, Han's conjecture and $\ddot{I}„$-Hochschild (co)homology

Claude Cibils, Marcelo Lanzilotta, Eduardo N. Marcos +1

We introduce the $\ddot{I}„$-Hochschild (co)homology of a finite dimensional associative algebra $\hat{I}›$ by means of the higher Auslander-Reiten translate of O. Iyama. We show that the globa…