New York Journal of Mathematics
Volume 15 (2009) 431-434


Catalin Rada

Regular AF subalgebras of some crossed products

Published: October 21, 2009
Keywords: Crossed products, C*-algebras
Subject: Primary 46L05; Secondary 37B05

Let C(X) \rtimesT Z be the crossed product associated to a dynamical system (X,T). We characterize the regular AF subalgebras of C(X) \rtimesT Z that can arise as the algebra AY = < C(X), uC0(X \ Y) > for some closed subset Y of X. We also characterize the minimal homeomorphisms in AY terms.

Author information

University of Ottawa, Department of Mathematics and Statistics, Ottawa, ON, Canada