Volterra type operators from weighted Hardy spaces to Bloch spaces
Xiangling Zhu (2013)
Matematički Vesnik
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Xiangling Zhu (2013)
Matematički Vesnik
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Yang, Weifeng (2011)
Bulletin of the Malaysian Mathematical Sciences Society. Second Series
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Harish Chandra, Bina Singh (2010)
Matematički Vesnik
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Stević, Stevo (2009)
Sibirskij Matematicheskij Zhurnal
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Alsulami, Hamed H., Alsulami, Saud M., Khan, Liaqat Ali (2009)
Acta Universitatis Apulensis. Mathematics - Informatics
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Stević, Stevo (2009)
Sibirskij Matematicheskij Zhurnal
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Wolf, Elke (2008)
Bulletin of the Malaysian Mathematical Sciences Society. Second Series
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Romesh Kumar, Kanwar Jatinder Singh (2006)
Extracta Mathematicae
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In this paper, we characterize boundedness and compactness of weighted composition operators on the Dirichlet space and obtain the estimates for the essential norm.
Mirzakarimi, G., Seddighi, K. (1997)
Georgian Mathematical Journal
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Valentin Matache (2007)
Extracta Mathematicae
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Composition operators C induced by a selfmap φ of some set S are operators acting on a space consisting of functions on S by composition to the right with φ, that is Cf = f º φ. In this paper, we consider the Hilbert Hardy space H on the open unit disk and find exact formulas for distances ||C - C|| between composition operators. The selfmaps φ and ψ involved in those formulas are constant, inner, or analytic selfmaps of the unit disk fixing the origin.
Pena, Carlos C. (2003)
Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]
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Zbigniew Pasternak-Winiarski (1991)
Annales Polonici Mathematici
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We apply the Rudin idea to represent the Bergman kernel of the Hartogs domain as the sum of a series of weighted Bergman functions in the study of the dependence of this kernel on deformations of the domain. We prove that the Bergman function depends smoothly on the function defining the Hartogs domain.
Marek Ptak (1995)
Annales Polonici Mathematici
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We present a model for two doubly commuting operator weighted shifts. We also investigate general pairs of operator weighted shifts. The above model generalizes the model for two doubly commuting shifts. WOT-closed algebras for such pairs are described. We also deal with reflexivity for such pairs assuming invertibility of operator weights and a condition on the joint point spectrum.