The Journal of the Indian Mathematical Society

B. Choudhary ¹, Ashok Kumar ¹

Affiliations
1 Department of Mathematics, Indian Institute of Technology, Hauz-Khas, New Delhi-110029, IN

Abstract

In [1], M. Fekete proposes two sequence-to-sequence summability methods, which he calls "Taylor-Norlund" and "Norlund-Taylor". Paul Schaefer [2] extends his methods by replacing the Taylor method with a more general regular summability method A, which he calls "A-Norlund" and "Norlund-A" and denotes them by F(A, p_n) and G(A, p_n).

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B. Choudhary ¹

Affiliations
1 I.I.T., Delhi, IN

Abstract

Many authors like Perron [6], Vermes [8], Lorentz [5], Trognovich [7], Gorst and Elin [3], Choudhary and Vermes [1] and Kuttner [4] have discussed translative sequence-to-sequence summability methods. On the other hand, the summability methods considered in this paper are function-to-function (or briefly functional) summability methods.

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