Abstract
A representation theorem for all norms equivalent to the original norm in a complex Hilbert space is established by using ellipsoids.
Citation
Mau-Hsiang Shih. Wataru Takahashi. "A REPRESENTATION THEOREM FOR NORMS IN HILBERT SPACE." Taiwanese J. Math. 12 (8) 2137 - 2139, 2008. https://doi.org/10.11650/twjm/1500405139
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