نتایج جستجو برای: weighted spaces

تعداد نتایج: 226674  

Journal: :bulletin of the iranian mathematical society 0
sh. rezaei islamic azad university, iran h. mahyar tarbiat moallem university, iran

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.

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: :bulletin of the iranian mathematical society 2013
sh. rezaei h. mahyar

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: :Transactions of the American Mathematical Society 1970

Journal: :Communications of the Korean Mathematical Society 2005

R. Lashkaripour

Let and be a sequence with non-negative entries. If , denote by the infimum of those satisfying the following inequality: whenever . The purpose of this paper is to give an upper bound for the norm of operator T on weighted sequence spaces d(w,p) and lp(w) and also e(w,?). We considered this problem for certain matrix operators such as Norlund, Weighted mean, Ceasaro and Copson ma...

Journal: :journal of sciences, islamic republic of iran 2009
r. lashkaripour

let and be a sequence with non-negative entries. if , denote by the infimum of those satisfying the following inequality: whenever . the purpose of this paper is to give an upper bound for the norm of operator t on weighted sequence spaces d(w,p) and lp(w) and also e(w,?). we considered this problem for certain matrix operators such as norlund, weighted mean, ceasaro and copson matrices. th...

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