Mathematical Inequalities & Applications · Volume 21, Issue 1 Norm inequalities and characterizations of inner product spaces 21-21 Pages 287-300 DOI 10.7153/mia-2018-21-21 Downloads Short PDF Full PDF PNG Authors A. Amini-Harandi M. Rahimi M. Rezaie Keywords inner product space characterizations of inner product spaces Dunkl-Williams inequality Subject classes 46C15 46B20