Displaying similar documents to “Summability estimates of double Vilenkin-Fourier series.”

On the absolute Cesáro summability of factors of Fourier series

Singh Niranjan (1968)

Annales de l'institut Fourier

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Dans ce papier, l’auteur a vérifié un théorème concernant | C , h + 1 | sommabilité des facteurs de séries de Fourier, qui généralisent un de ses théorèmes précédents (paru dans Rivista di Matematica).

On | A , δ | k -summability of orthogonal series

Xhevat Z. Krasniqi (2012)

Mathematica Bohemica

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In the paper, we prove two theorems on | A , δ | k summability, 1 k 2 , of orthogonal series. Several known and new results are also deduced as corollaries of the main results.