نتایج جستجو برای: weighted type space

تعداد نتایج: 1872583  

Journal: :Journal of the Korean Mathematical Society 2002

Weighted composition operators appear in the study of dynamical systems and also in characterizing isometries of some classes of Banach spaces. One of the most important generalizations of weighted composition operators, are generalized weighted composition operators which in special cases of their inducing functions give different types of well-known operators like: weighted composition operat...

Journal: :نظریه تقریب و کاربرد های آن 0
شایسته رضایی دانشگاه آزاد واحد علوم و تحقیقات ح. ماهیار دانشکده ریاضی دانشگاه خوارزمی تهران(تربیت معلم سابق)

in this paper boundedness and compactness of generalized composition oper-ators from logarithmic bloch type spaces to q_k type spaces are investigated.

In this paper we obtain lower and upper estimates for the essential norms of generalized composition operators from weighted Dirichlet spaces or Bloch type spaces to $Q_K$ type spaces.

Journal: :sahand communications in mathematical analysis 2015
shayesteh rezaei

let $omega_x$ be a bounded, circular and strictly convex domain of a banach space $x$ and $mathcal{h}(omega_x)$ denote the space of all holomorphic functions defined on $omega_x$. the growth space $mathcal{a}^omega(omega_x)$ is the space of all $finmathcal{h}(omega_x)$ for which $$|f(x)|leqslant c omega(r_{omega_x}(x)),quad xin omega_x,$$ for some constant $c>0$, whenever $r_{omega_x}$ is the m...

Journal: :bulletin of the iranian mathematical society 2011
s. li r. shamoyan

Journal: :sahand communications in mathematical analysis 2015
mostafa hassanlou

in this paper, we considered composition operators on weighted hilbert spaces of analytic functions and  observed that a formula for the  essential norm, gives a hilbert-schmidt characterization and characterizes the membership in schatten-class for these operators. also, closed range composition operators  are investigated.

Journal: :iranian journal of science and technology (sciences) 2009
v. karakaya

in this paper, the notion of n, pn - summability to generalize the concept of statisticalconvergence is used. we call this new method weighted statistically convergence. we also establish itsrelationship with statistical convergence, c,1-summability and strong   n n, p -summability.

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