Mathematical Inequalities & Applications · Volume 9, Issue 4 Bounds for the ratio and difference between parallel sum and series via Mond-Pečarić method 09-66 Pages 749-759 DOI 10.7153/mia-09-66 Downloads Short PDF Full PDF PNG Authors Jun Ichi Fujii M. Nakamura Josip Pečarić Yuki Seo Keywords Kantorovich inequality Kantorovich constant operator inequality parallel sum operator connection positive linear map and Mond-Pečarić method Subject classes 47A30 47A63