Belonging to convergence classes of Hadamard compositions of Gelfond-Leont'ev derivatives for analytic functions

The conditions are found, under which the belonging to Valiron convergence class of entire functions $f$ and $g$ implies the belonging to this class of Gelfond-Leont'ev derivative of Hadamard composition of functions $f$ and $g$ and of Hadamard composition of Gelfond-Leont'ev derivatives o...

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Main Authors: O. M. Mulyava, M. M. Sheremeta
Format: Article
Language:English
Published: Vasyl Stefanyk Precarpathian National University 2013-01-01
Series:Karpatsʹkì Matematičnì Publìkacìï
Online Access:http://journals.pu.if.ua/index.php/cmp/article/view/106
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author O. M. Mulyava
M. M. Sheremeta
author_facet O. M. Mulyava
M. M. Sheremeta
author_sort O. M. Mulyava
collection DOAJ
description The conditions are found, under which the belonging to Valiron convergence class of entire functions $f$ and $g$ implies the belonging to this class of Gelfond-Leont'ev derivative of Hadamard composition of functions $f$ and $g$ and of Hadamard composition of Gelfond-Leont'ev derivatives of these functions. Analogous problem is solved for analytic functions in the unit disk.
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spelling doaj.art-c64e88a3872e42c096ef251c7009d9af2022-12-21T17:50:35ZengVasyl Stefanyk Precarpathian National UniversityKarpatsʹkì Matematičnì Publìkacìï2075-98272313-02102013-01-014111111510.15330/cmp.4.1.111-115110Belonging to convergence classes of Hadamard compositions of Gelfond-Leont'ev derivatives for analytic functionsO. M. Mulyava0M. M. Sheremeta1National University of Food Technologies, 68 Volodymyrska str., 01601, Kyiv, UkraineIvan Franko National University, 1 Universytetska str., 79000, Lviv, UkraineThe conditions are found, under which the belonging to Valiron convergence class of entire functions $f$ and $g$ implies the belonging to this class of Gelfond-Leont'ev derivative of Hadamard composition of functions $f$ and $g$ and of Hadamard composition of Gelfond-Leont'ev derivatives of these functions. Analogous problem is solved for analytic functions in the unit disk.http://journals.pu.if.ua/index.php/cmp/article/view/106
spellingShingle O. M. Mulyava
M. M. Sheremeta
Belonging to convergence classes of Hadamard compositions of Gelfond-Leont'ev derivatives for analytic functions
Karpatsʹkì Matematičnì Publìkacìï
title Belonging to convergence classes of Hadamard compositions of Gelfond-Leont'ev derivatives for analytic functions
title_full Belonging to convergence classes of Hadamard compositions of Gelfond-Leont'ev derivatives for analytic functions
title_fullStr Belonging to convergence classes of Hadamard compositions of Gelfond-Leont'ev derivatives for analytic functions
title_full_unstemmed Belonging to convergence classes of Hadamard compositions of Gelfond-Leont'ev derivatives for analytic functions
title_short Belonging to convergence classes of Hadamard compositions of Gelfond-Leont'ev derivatives for analytic functions
title_sort belonging to convergence classes of hadamard compositions of gelfond leont ev derivatives for analytic functions
url http://journals.pu.if.ua/index.php/cmp/article/view/106
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