Pseudo-Riemannian metrics on bicovariant bimodules
arXiv:1911.06036
Abstract
We study pseudo-Riemannian invariant metrics on bicovariant bimodules over Hopf algebras. We clarify some properties of such metrics and prove that pseudo-Riemannian invariant metrics on a bicovariant bimodule and its cocycle deformations are in one to one correspondence.
Accepted for publication in Annales Mathématiques Blaise Pascal