Journal of approximation theory

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  Año 2013, Vol. 166, Número 1

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    Regularization networks with indefinite kernels

    Qiang Wu

    págs. 1-18

    
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    An algorithm to find a maximum of a multilinear map over a product of spheres

    César Massri

    págs. 19-41

    
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    Metric entropy and sparse linear approximation of lq-hulls for 0 < q < 1

    Fuchang Gao, Ching-Kang Ing, Yuhong Yang

    págs. 42-55

    
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    An orthogonal polynomial analogue of the Landau-Pollak-Slepian time-frequency analysis

    Wolfgang Erb

    págs. 56-77

    
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    Gelfand numbers and widths

    David E. Edmunds, Jan Lang

    págs. 78-84

    
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    On lower semi-continuous metric projections onto finite dimensional subspaces of spaces of continuous functions

    Aldric L. Brown

    págs. 85-105

    
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    Piecewise Chebyshev-Schoenberg operators: Shape preservation, approximation and space embedding

    Marie-Laurence Mazure

    págs. 106-135

    
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    Continuous algorithms in adaptive sampling recovery

    Dinh Dung

    págs. 136-153

    
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    A Pringsheim-type convergence criterion for continued fractions in Banach algebras

    Hendrik Baumann

    págs. 154-162

    
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    Univariate interpolation by exponential functions and Gaussian RBFs for generic sets of nodes

    Dmitry Yarotsky

    págs. 163-175

    
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    On the Lebesgue constant of Leja sequences for the complex unit disk and of their real projection

    Moulay Abdellah Chkifa

    págs. 176-200