Approximation theory in tensor product spaces / W. A. Light, E. W. Cheney

Auteur principal : Light, William Allan, 1950-2002, AuteurCo-auteur : Cheney, Elliott Ward, 1929-2016, AuteurType de document : Livre numériqueCollection : Lecture notes in mathematics, 1169Langue : anglais.Éditeur : Berlin : Springer-Verlag, 1985ISBN: 9783540397410.ISSN: 1617-9692.Sujet MSC : 41A30, Approximations and expansions, Approximation by other special function classes
41A50, Approximations and expansions, Best approximation, Chebyshev systems
41A65, Approximations and expansions, Abstract approximation theory
41A45, Approximations and expansions, Approximation by arbitrary linear expressions
41A52, Approximations and expansions, Uniqueness of best approximationEn-ligne : Springerlink | Zentralblatt | MathSciNet
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This book is concerned with approximation of multivariate functions by certain combinations of univariate ones. The setting for these approximation problems is a Banach space which is the tensor product of two or more simpler spaces. Approximations are sought in subspaces which are themselves built up by tensor products. While these subspaces are infinite-dimensional, they also share some of the characteristics of finite-dimensional ones. ... (MathSciNet)

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