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Compact perturbations of isometries |
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| Authors: | Ioana Serban Flavius Turcu |
| Institution: | Université Bordeaux 1, LAPS, Equipe Signal et Image, 351 cours de la Libération, 33405 Talence cedex, France ; Université Bordeaux 1, LAPS, Equipe Signal et Image, 351 cours de la Libération, 33405 Talence cedex, France |
| Abstract: | We give some characterizations of isometries (contractions) which are perturbations with compact operators of a given arbitrary isometry, in terms of certain natural factorizations. As a consequence we obtain general parametric representations of these perturbations. |
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