ON VON NEUMANN–JORDAN CONSTANTS

Journal of the Australian Mathematical Society

KAZUO HASHIMOTO¹ 

[1] GEN NAKAMURA

关键词: primary 46B03;    secondary 46B20;   

DOI  :  10.1017/S1446788709000202

学科分类：数学（综合）

来源: Cambridge University Press

【 摘 要 】

In this note, we provide an example of a Banach space X for whichthat is not isomorphic to any Hilbert space, wheredenotes the infimum of all von Neumann–Jordan constants for equivalent norms of X.

【 授权许可】

Unknown