Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4621915 | Journal of Mathematical Analysis and Applications | 2008 | 6 Pages |
Abstract
We define a natural metric on the space of all bounded frame functions on a given Hilbert space and also on the space of all bounded frame functions with a given weight. We present the complete description of the surjective isometries of the so-obtained metric spaces. In fact, it turns out that those isometries are intrinsically induced by unitary or antiunitary operators on the underlying Hilbert space.
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