Çoşkun H.Çakan C.2024-08-042024-08-0420010420-1213https://hdl.handle.net/11616/90660The object of this paper is to obtain the necessary and sufficient conditions characterizing the class (V, V)reg of infinite matrices and to determine a class of (Vp, Vr)reg-matrices for which qa(Ax) < qix) for all x ? m. © 2001 Warsaw University. All rights reserved.eninfo:eu-repo/semantics/closedAccessCore theorem and cr-regular matricesInvariant meansArticle3448258302-s2.0-0012422919Q2