Necessary conditions for inclusion relations for double absolute summability Kahekordsete ridade maatriksmenetluste absoluutse sisalduvuse tarvilikud tingimused


Creative Commons License

Savaş E., Rhoades B.

Proceedings of the Estonian Academy of Sciences, cilt.60, sa.3, ss.158-164, 2011 (SCI-Expanded, Scopus) identifier

Özet

We 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.