A summability factor theorem for absolute summability involving quasi-monotone sequences


Savaş E.

Nonlinear Analysis, Theory, Methods and Applications, vol.70, no.6, pp.2442-2446, 2009 (SCI-Expanded) identifier

Abstract

In this paper we prove a theorem on | A |k, k ≥ 1, summability factors for an infinite series by replacing a weighted mean matrix with a triangular matrix. © 2008 Elsevier Ltd. All rights reserved.