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http://dx.doi.org/10.4134/JKMS.2005.42.2.243

NEW RESULTS ABOUT ORTHOGONALITY PRESERVING MAPS  

MARONI PASCAL (Laboratoire Jacques-Louis Lions Universite Pierre et Marie Curie-C.N.R.S.)
Publication Information
Journal of the Korean Mathematical Society / v.42, no.2, 2005 , pp. 243-254 More about this Journal
Abstract
The Alaway's theorem on orthogonality preserving maps [1] is revisited and we provide a new proof of this result, through an original separation property involving regular forms. In fact, we show a light more general result concerning weakly orthogonal sequences(see section 3).
Keywords
orthogonal polynomials; regular forms; isomorphisms;
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