Mathematical Inequalities & Applications · Volume 17, Issue 2 Geometric constants and characterizations of inner product spaces 17-38 Pages 513-520 DOI 10.7153/mia-17-38 Downloads Short PDF Full PDF PNG Authors Ryotaro Tanaka Tomoyoshi Ohwada Kichi-Suke Saito Keywords inner product space absolute normalized norm BJ-orthogonality Subject classes 46B20 46C15