A lower bound on the homological bidimension of a non-unital C*-algebra

Olaf Ermert
1998 Glasgow Mathematical Journal  
Preliminaries. Let A be a C*-algebra. If A is unital, we write \ A for the identity of A. We write A+ (respectively, A ia ) for the positive (respectively, self-adjoint) elements of A, and
doi:10.1017/s0017089500032778 fatcat:c3xhmkqqobhmxfykelqbmafena