Mathematical Inequalities & Applications · Volume 22, Issue 3 Norms of summability and Hausdorff mean matrices on difference sequence spaces 22-66 Pages 983-987 DOI 10.7153/mia-2019-22-66 Downloads Short PDF Full PDF PNG Authors Hadi Roopaei Keywords matrix operator norm Hausdorff matrix difference sequence space Subject classes 26D15 40C05 40G05 47B37