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Linear and convex combinations of projections in simple C* -algebras

Published online by Cambridge University Press:  14 November 2011

A. Guyan Robertson
Affiliation:
Department of Mathematics, University of Edinburgh, Mayfield Road, Edinburgh EH9 3JZ, Scotland

Synopsis

Motivated by results of G. K. Pedersen, showing how a simple C*-algebra must contain an abundance of projections whenever it contains a single nontrivial projection, we provide generalisations and new proofs using more algebraic methods.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1985

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