Journal of Operator Theory

Volume 6, Issue 1, Summer 1981

The spectral flavour of Scott Brown's techniques
Constantin Apostol
J. Operator Theory pp. 3-12
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Positive cones and $L^p$-spaces associated with a von Neumann algebra
Hideki Kosaki
J. Operator Theory pp. 13-23
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Norm-close group actions on C*-algebras
Richard H. Herman and Jonathan Rosenberg
J. Operator Theory pp. 25-37
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Dilatations isometriques d'operateurs et le probleme des sous-espaces invariants
Michel Rome
J. Operator Theory pp. 39-50
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Operators commuting with Toeplitz and Hankel operators modulo the compact operators
Michael J. Hoffman
J. Operator Theory pp. 51-54
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Positive matrices and dimension groups affiliated to C*-algebras and topological Markov chains
David Handelman
J. Operator Theory pp. 55-74
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On the form sum and the Friedrichs extention of Schroedinger operators with singular potentials
Hans L. Cycon
J. Operator Theory pp. 75-86
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A Toeplitz-Hausdorff theorem for matrix ranges
Francis J. Narcowich and Joseph D. Ward
J. Operator Theory pp. 87-101
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On the smoothness of sphere extensions
R. G. Douglas and Dan Voiculescu
J. Operator Theory pp. 103-111
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An abstract Kato inequality for generators of positive operators semigroups on Banach lattices
Reiner Nagel and Heinrich Uhlig
J. Operator Theory pp. 113-123
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K-theory for actions of the circle group on C*-algebras
William L. Paschke
J. Operator Theory pp. 125-133
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Ext of certain free product C*-algebras
Lawrence G. Brown
J. Operator Theory pp. 135-141
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Fredholm operators and the continuity of the Lefschetz number
F.-H. Vasilescu
J. Operator Theory pp. 143-153
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Spectral shift functions that arise in perturbations of a positive operator. (Russian)
M. G. Krein, V. A. Yavryan
J. Operator Theory pp. 155-191
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