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

Savaş, Ekrem2020-11-212020-11-2120090362546Xhttps://doi.org/10.1016/j.na.2008.03.027https://hdl.handle.net/11467/3905In 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.eninfo:eu-repo/semantics/closedAccessAbsolute summabilitySummability factorsA summability factor theorem for absolute summability involving quasi-monotone sequencesArticle70624422446Q1WOS:000264005100034N/A2-s2.0-5904908608710.1016/j.na.2008.03.027