On new moduli related to the generalization of the parallelogram law

DOI10.1007/s40840-021-01196-7zbMath1487.46017OpenAlexW3200044139WikidataQ114852168 ScholiaQ114852168MaRDI QIDQ2064921

Chuanjiang Zhou, Muhammad Sarfraz, Yongjin Li, Qi Liu

Publication date: 6 January 2022

Published in: Bulletin of the Malaysian Mathematical Sciences Society. Second Series (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s40840-021-01196-7

zbMATH Keywords

Banach spaces normal structure geometric constants Euler-Lagrange identity

Mathematics Subject Classification ID

Geometry and structure of normed linear spaces (46B20) Characterizations of Hilbert spaces (46C15)

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