Mathematical Inequalities & Applications · Volume 18, Issue 3

Characterizations of inner product spaces by inequalities involving semi-inner product

18-64 Pages 879-885 DOI 10.7153/mia-18-64

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Authors

Paweł Wójcik

Keywords

semi-inner product characterization of inner product spaces inequality projection smoothness norm derivative

Subject classes

46C15 46C50 46B20 39B62