The essential norm of the generalized Hankel operators on the Bergman space of the unit ball in .
Luo, Luo, Yang, Xuemei (2010)
Abstract and Applied Analysis
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Luo, Luo, Yang, Xuemei (2010)
Abstract and Applied Analysis
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Zhu, Kehe (2007)
The New York Journal of Mathematics [electronic only]
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Eun Sun Choi (2008)
Czechoslovak Mathematical Journal
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We study Toeplitz operators between the pluriharmonic Bergman spaces for positive symbols on the ball. We give characterizations of bounded and compact Toeplitz operators taking a pluriharmonic Bergman space into another for in terms of certain Carleson and vanishing Carleson measures.
Zorboska, Nina (2003)
International Journal of Mathematics and Mathematical Sciences
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López-García, Marcos (2003)
International Journal of Mathematics and Mathematical Sciences
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Karel Stroethoff (1997)
Banach Center Publications
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In this article we will illustrate how the Berezin transform (or symbol) can be used to study classes of operators on certain spaces of analytic functions, such as the Hardy space, the Bergman space and the Fock space. The article is organized according to the following outline. 1. Spaces of analytic functions 2. Definition and properties Berezin transform 3. Berezin transform and non-compact operators 4. Commutativity of Toeplitz operators 5. Berezin transform and Hankel or Toeplitz...
Carmen H. Mancera, Pedro José Paúl (2001)
Czechoslovak Mathematical Journal
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In 1997 Pták defined generalized Hankel operators as follows: Given two contractions and , an operator is said to be a generalized Hankel operator if and satisfies a boundedness condition that depends on the unitary parts of the minimal isometric dilations of and . This approach, call it (P), contrasts with a previous one developed by Pták and Vrbová in 1988, call it (PV), based on the existence of a previously defined generalized Toeplitz operator. There seemed to be a strong...