Journal of Operator Theory

Volume 36, Issue 1, Summer 1996 pp. 59-62.

The derivation problem and the similarity problem are equivalent

Authors: Eberhard Kirchberg
Author institution:Humboldt University - Berlin, Unter den Linden 6, 10099 Berlin, GERMANY

Summary: There is proved a proposition which implies that the similarity problem and the derivation problem for C*-algebras are equivalent, and also that they are equivalent to a bicommutation problem.

Keywords: C*-algebra, derivation, *-representation.

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