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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.OA2003★ 1 cited
Sums of commutators in ideals and modules of type II factors
K. J. Dykema, N. J. Kalton
Let M be a factor of type II_\infty or II_1 having separable predual and let M-bar be the algebra of affiliated τ-measureable operators. We characterize the commutator space [I,J]…
math.OA2003
Invariant subspaces of the quasinilpotent DT-operator
Ken Dykema, Uffe Haagerup
We previously introduced the class of DT--operators, which are modeled by certain upper triangular random matrices, and showed that if the spectrum of a DT-operator is not reduced…