Polynomial approximation on the sphere u
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Frank Filbir; W. Themistoclakis
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Article
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2008
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John Wiley and Sons
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English
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## Abstract We consider the problem of approximately reconstructing a function __f__ defined on the surface of the unit sphere in the Euclidean space โ^__q__ +1^ by using samples of __f__ at scattered sites. A central role is played by the construction of a new operator for polynomial approximation