Abstract

In this paper, theorems concerning $\left|\bar{N},p_{n},\theta_{n}\right|_{k}$ factors of Fourier series and its conjugate series are studied. The presented results provide with improvements as well as generalizations of some known results.

Highlights

  • Then the conjugate series of the Fourier series isWe can write |R, λn, 1| for |N , pn|, where Pn = λn, and 0 < λ1

  • By using the result in [7], Mazhar [5] has proved the following theorems concerning absolute summability of conjugate series

  • Many studies have been done for absolute summability factors of infinite series and Fourier series by using different summability methods

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Summary

Then the conjugate series of the Fourier series is

We can write |R, λn, 1| for |N , pn|, where Pn = λn, and 0 < λ1 < ... Many studies have been done for absolute summability factors of infinite series and Fourier series by using different summability methods (see [1]- [2], [6], [8]- [11], [13]- [17]). In this paper, we obtained new generalizations of absolute summability factors of Fourier series and its conjugate series. By using the result in [7], Mazhar [5] has proved the following theorems concerning absolute summability of conjugate series

Pn n
If we take θn
Concerning about

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