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The Summability of Fourier Series

The Mathematical Gazette, 1931
One of the oldest problems in the theory of Fourier series is that of looking for a criterion that a Fourier series shall converge. No one, however, has been able to find a simple, necessary and sufficient condition for this. Thus, for instance, bounded variation of the function is sufficient but not necessary.
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On Ingham summability and summability by Lambert series

Mathematical Proceedings of the Cambridge Philosophical Society, 1955
In his paper ‘Some Tauberian theorems connected with the prime number theorem’, Ingham(10) discusses the method of summation of the series defined ...
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Summability of Power Series

The American Mathematical Monthly, 1946
(1946). Summability of Power Series. The American Mathematical Monthly: Vol. 53, No. 5, pp. 251-259.
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Regular summability methods in the approximation by max-min operators

Fuzzy Sets and Systems, 2022
TÜrkan Yelİz GÖkÇer, Oktay Duman
exaly  

Summability of Multiple Series

Proceedings of the London Mathematical Society, 1940
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Convergence of $$\lambda $$-Bernstein operators via power series summability method

Journal of Applied Mathematics and Computing, 2020
Naim Braha, M Mursaleen, Tuncer acar
exaly  

Is there an Environmental Kuznets Curve for South Africa? A co-summability approach using a century of data

Energy Economics, 2015
Adnen Ben Nasr   +2 more
exaly  

Summability Methods and Orthogonal Series

Journal of the London Mathematical Society, 1963
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