Journal of Operator Theory

Volume 49, Issue 2, Spring 2003

Frame representations for group-like unitary operator systems
Jean-Pierre Gabardo and Deguang Han
J. Operator Theory pp. 223-244
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Characterizations of essential ideals as operator modules over $C^*$ -algebras
Masayoshi Kaneda and Vern Ival Paulsen
J. Operator Theory pp. 245-262
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Functional calculus, regularity and Riesz transforms of weighted subcoercive operators on $\sigma$ -finite measure spaces
C.M.P.A. Smulders
J. Operator Theory pp. 263-283
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Spectrally bounded operators from von Neumann algebras
Martin Mathieu and Gerhard J. Schick
J. Operator Theory pp. 285-293
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Fuglede's theorem, the bicommutant theorem and $p$ -multiplier operators for the circle
Gerd Mockenhaupt and Werner J. Ricker
J. Operator Theory pp. 295-310
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Singular integral operators associated with measures of varying density
Jingbo Xia
J. Operator Theory pp. 311-324
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Toeplitz operators on the unit ball in $\scriptstyle \C^n$ with radial symbols
S. Grudsky, A. Karapetyants, and N. Vasilevski
J. Operator Theory pp. 325-346
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When is the product of Hankel operators a Hankel operator?
Caixing Gu
J. Operator Theory pp. 347-362
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Computing Ext for graph algebras
Mark Tomforde
J. Operator Theory pp. 363-387
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Spectral invariance, K-theory isomorphism and an application to the differential structure of $C^*$ -algebras
S.J. Bhatt, A. Inoue, and H. Ogi
J. Operator Theory pp. 389-405
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Property $(\beta)_{\cal E}$ for Toeplitz operators with $H^\infty$ -symbol
Sebastian Sandberg
J. Operator Theory pp. 407-420
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