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A simple proof of Arazy's theorem
Published online by Cambridge University Press: 20 January 2009
Abstract
Arazy has characterized the isometries of p, (0 < p ≦ ∞, p ≠ 2) onto itself as all maps of the form X↦UXV where U and V are either both unitary or both anti-unitary. A simple proof of this result is given.
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- Copyright © Edinburgh Mathematical Society 1994
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