New families of \(B\)-splines on uniform meshes of the plane (Q2715907)

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scientific article; zbMATH DE number 1600668
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New families of \(B\)-splines on uniform meshes of the plane
scientific article; zbMATH DE number 1600668

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    29 May 2001
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    uniform triangulations of the plane
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    \(B\)-splines
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    interpolation
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    convolution of simple \(B\)-splines
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    characteristic function
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    box-splines
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    New families of \(B\)-splines on uniform meshes of the plane (English)
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    This is a survey paper on the existence and the properties of some families of piecewise polynomial functions with bounded supports (\(B\)-splines) on the two classical uniform triangulations of the plane. Composed \(B\)-splines are defined by repeated convolution of simple \(B\)-splines with the piecewise affine pyramid, for the first triangulation, and with characteristic functions of small squares or lozenges, for the second triangulation. Among various properties, the local and global independence of certain families of \(B\)-splines with small support are discussed. Finally two specific Lagrange interpolation problems are studied on a rectangular domain.NEWLINENEWLINEFor the entire collection see [Zbl 0911.00013].
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