The equivariant Brauer groups of commuting free and proper actions are isomorphic
arXiv:funct-an/9409004
Abstract
If is a locally compact space which admits commuting free and proper actions of locally compact groups and , then the Brauer groups $\Br_H(G/X)$ and $\Br_G(X/H)$ are naturally isomorphic.
10 pages, AMS-LaTeX v1.1, KRW94