Journal of Mathematical Inequalities · Volume 5, Issue 1 Lower bound for the norm of lower triangular matrices on block weighted sequence spaces 05-04 Pages 33-38 DOI 10.7153/jmi-05-04 Downloads Short PDF Full PDF PNG Authors Rahmatollah Lashkaripour G. Talebi Keywords norm upper bound lower triangular matrix Nörlund matrices weighted mean matrices block weighted sequence space Subject classes 26D15 47A30 40G05 47D37 46A45 54D55