Almost everywhere and norm convergence of Approximate Identity and Fej\'er means of trigonometric and Vilenkin systems

In this paper, we investigate very general approximation kernels with special properties, called an approximate identity, and prove almost everywhere and norm convergence of these general methods, which consists of a class of summability methods and provide norm and a.e. convergence of these summabi...

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Hauptverfasser:	Nadirashvili, N, Tephnadze, G, Tutberidze, G
Format:	Artikel
Sprache:	eng
Schlagworte:	Mathematics - Classical Analysis and ODEs
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