2 papers
math.OA2000
Maximal abelian subalgebras of O_n
E. J. Beggs, P. Goldstein
We consider maximal abelian subalgebras of O_n which are invariant to the standard circle action.
math.OA1999
Topological Entropy for the Canonical Endomorphism of Cuntz-Krieger Algebras
Florin P. Boca, Paul Goldstein
It is shown that Voiculescu's toplogical entropy for the canonical endomorphism of a simple Cuntz-Krieger algebra O_A equals the logarithm of the spectral radius of A.