Necessary conditions for inclusion relations for double absolute summability

Savaş, EkremRhoades, B. E.2020-11-212020-11-2120111736-6046https://doi.org/10.3176/proc.2011.3.03https://hdl.handle.net/11467/4038We establish necessary conditions for a general inclusion theorem involving a pair of doubly triangular matrices. As corollaries we obtain inclusion results for some special classes of doubly triangular matrices.eninfo:eu-repo/semantics/openAccessabsolute summability factorsdoubly triangular summabilityNecessary conditions for inclusion relations for double absolute summabilityArticle603158164Q3WOS:000295120300003Q32-s2.0-7996018257910.3176/proc.2011.3.03