نتایج جستجو برای: differentiation composition operators

تعداد نتایج: 574734  

Journal: :Revista De La Real Academia De Ciencias Exactas Fisicas Y Naturales Serie A-matematicas 2022

Abstract In this survey we report about recent work on weighted Banach spaces of analytic functions the unit disc and whole complex plane defined with sup-norms operators between them. Results solid hull core these distance formulas are reviewed. Differentiation integration operators, Cesàro Volterra composition superposition Toeplitz analyzed. Boundedness, compactness, spectrum, hypercyclicity...

2016
Jizhen Zhou Xiangling Zhu Stevan Pilipović

We obtain some simple criteria for the boundedness and compactness of the product of differentiation and composition operator CφD on Bloch type spaces.

In this article, we discuss measure theoretic characterizations for weighted composition operators in some operator classes on $L^{2}(Sigma)$ such as, $n$-power normal, $n$-power quasi-normal, $k$-quasi-paranormal and quasi-class$A$. Then we show that weighted composition operators can separate these classes.

Hamid Vaezi Mostafa Hassanlou,

In this paper, we characterize the bonudedness and compactness of weighted composition operators from weighted Bergman spaces to weighted Bloch spaces. Also, we investigate weighted composition operators on weighted Bergman spaces and extend the obtained results in the unit ball of $mathbb{C}^n$.

‎In this paper, we provide a complete description of weighted composition operators between extended Lipschitz algebras on compact metric spaces. We give necessary and sufficient conditions for the injectivity and the sujectivity of these operators. We also obtain some sufficient conditions and some necessary conditions for a weighted composition operator between these spaces to be compact.

ژورنال: پژوهش های ریاضی 2016
Estaremi , Y, Shamsi Gomechi, S,

This article has no abstract.

In this paper, we consider weighted composition operators betweenmeasurable differential forms and then some classic properties of these operators are characterized.

Journal: :bulletin of the iranian mathematical society 0
a. kamal port said university‎, ‎faculty of science‎, ‎department of mathematics, port said 42521‎, ‎egypt.

‎in this paper‎, ‎we investigate some results on natural metrics on the $mu$-normal functions and meromorphic $q_p$-classes‎. ‎also‎, ‎these classes are shown to be complete metric spaces with respect to the corresponding metrics‎. ‎moreover‎, ‎compact composition operators $c_phi$ and lipschitz continuous operators acting from $mu$-normal functions to the meromorphic $q_p$-classes are characte...

Journal: :Bulletin of the Australian Mathematical Society 1978

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