Journal of Operator Theory

Volume 42, Issue 1, Summer 1999

On ${\bbb Z}/2{\bbb Z}$-graded KK-theory and its relation with the graded Ext-functor
Ulrich Haag
J. Operator Theory pp. 3-36
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Algebras of subnormal operators on the unit ball
Jorg Eschmeier
J. Operator Theory pp. 37-76
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Exponential ordering on bounded self-adjoint operators
Kotaro Tanahashi, and Shigeru Yamagami
J. Operator Theory pp. 77-82
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Strong Feller semigroups on $C^*$-algebras
Jean-Luc Sauvageot
J. Operator Theory pp. 83-102
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Correspondence of groupoid $C^*$-algebras
Marta Macho Stadler, and Moto O'uchi
J. Operator Theory pp. 103-119
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States of Toeplitz-Cuntz algebras
Neal J. Fowler
J. Operator Theory pp. 121-144
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Interpolation in generalized Nevanlinna and Stieltjes classes
Arthur Amirshadyan, and Vladimir Derkach
J. Operator Theory pp. 145-188
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Direct and inverse problems for a damped string
Vyacheslav N. Pivovarchik
J. Operator Theory pp. 189-220
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