# Journal of Operator Theory

Volume 23, Issue 1, Winter 1990

Jensen's inequality in semi-finite von Neumann algebras

Lawrence G. Brown and Hideki Kosaki

J. Operator Theory
pp.
3-19

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Dilations of holomorphic semigroups

Brian McEnnis

J. Operator Theory
pp.
21-42

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The cyclic cohomology of compact Lie groups and the direct sum formula

Toshikazu Natsume and Ryszard Nest

J. Operator Theory
pp.
43-50

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On the existence of invariant subspaces for some contractions with spectrum dominating an arc on the unit circle

Andrei Halanay

J. Operator Theory
pp.
51-66

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Furuta's inequality and its mean theoretic approach

Masatoshi Fujii

J. Operator Theory
pp.
67-72

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A diffeomorphism of am irrational rototion C*-algebra by a non-generic rotation

Kazunori Kodaka

J. Operator Theory
pp.
73-79

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Triangular AF algebras

J. R. Peters, Y. T. Poon and B. H. Wagner

J. Operator Theory
pp.
81-114

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Invariant subspaces for an operator on L^2(II) composed of a multiplication and a translation

D. P. Blecher and A. M. Davie

J. Operator Theory
pp.
115-123

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Index theory and Toeplitz algebras on certain cones in Z^2

Efton Park

J. Operator Theory
pp.
125-146

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Stability and instability of L^p-spaces of differential operators

David Gurarie

J. Operator Theory
pp.
147-152

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Compact Hankel operators on the Bergman spaces on the unit ball and polydisk in C^n

Karel Stroethoff

J. Operator Theory
pp.
153-170

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Pure state extensions and restrictions in O_2

Aldo Lazar, Sze-Kai Tsui and Stephen Wright

J. Operator Theory
pp.
171-178

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On certain automorphisms of reduced crosed products with discrete groups

Marius Dadarlat and Cornel Pasnicu

J. Operator Theory
pp.
179-193

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On some trace class norm estimates

Florin Radulescu

J. Operator Theory
pp.
195-204

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