Journal of Operator Theory

Volume 54, Issue 1, Summer 2005 pp. 3-8.

Excision and a Theorem of Popa

Authors: Nathaniel P. Brown
Author institution: Department of Mathematics, Penn State University, State College, PA 16802, USA

Summary: We give an elementary $C^*$-algebraic proof of a result of Sorin Popa which is of fundamental importance to Elliott's classification program.

Keywords: Excision, quasidiagonality.

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