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math.OA2003
The completely bounded approximation property for extended Cuntz-Pimsner algebras
Kenneth J. Dykema, Roger R. Smith
The extended Cuntz-Pimsner algebra E(H), introduced by Pimsner, is constructed from a Hilbert B,B-bimodule H over a C*-algebra B. In this paper we investigate the Haagerup invarian…
math.FA2003★ 3 cited
Representations of Group Algebras in Spaces of Completely Bounded Maps
Roger R. Smith, Nico Spronk
Let G be a locally compact group, M(G) denote its measure algebra and L^1(G) denote its group algebra. Also, let pi:G->U(H) be a strongly continuous unitary representation, and let…
math.OA2003
Perturbations of Subalgebras of Type Factors
Sorin Popa, Allan Sinclair, Roger Smith
We consider two von Neumann subalgebras $\cl B_0$ and $\cl B$ of a type factor $\cl N$. For a map on $\cl N$, we define \[\|ϕ\|_{\infty,2}=\sup\{\|ϕ(x)\|_2\colon…