PBW-deformations and deformations à la Gerstenhaber of N-Koszul algebras

Estanislao Herscovich, Andrea Solotar, Mariano Suárez-Álvarez

In this article we establish an explicit link between the classical theory of deformations à la Gerstenhaber -- and a fortiori with the Hochschild cohomology-- and (weak) PBW-defor…