Open AccessDirect and inverse theorems of approximation theory
Author(s) -
Radouan Daher,
S. El Ouadih,
Mohamed El Hamma
Publication year - 2017
Publication title -
matematika
Language(s) - English
Resource type - Journals
eISSN - 0127-9602
pISSN - 0127-8274
DOI - 10.11113/matematika.v33.n2.771
Subject(s) - inverse , bounded function , mathematics , spectrum (functional analysis) , operator (biology) , bounded inverse theorem , harmonic function , pure mathematics , inverse function , generalized inverse , bounded operator , function (biology) , mathematical analysis , inverse problem , physics , quantum mechanics , geometry , biochemistry , chemistry , repressor , evolutionary biology , biology , transcription factor , gene
In this paper, we prove analogues of direct and some inverse theorems, for the Dunkl harmonic analysis, using the function with bounded spectrum and generalized spherical mean operator.