Journal of approximation theory

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  Año 2012, Vol. 164, Número 5

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    Sparse Legendre expansions via l1-minimization

    Holger Rauhut, Rachel Ward

    págs. 517-533

    
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    Approximation schemes satisfying Shapiro�s Theorem

    José María Almira Picazo , Timur Oikhberg

    págs. 534-571

    
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    The existence of Gaussian cubature formulas

    Jean B. Lasserre

    págs. 572-585

    
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    The algebra of difference operators associated to a family of orthogonal polynomials

    Antonio José Durán Guardeño

    págs. 586-610

    
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    Convergence of non-periodic infinite products of orthogonal projections and nonexpansive operators in Hilbert space

    Evgeniy Pustylnik, Simeon Reich , Alexander J. Zaslavski

    págs. 611-624

    
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    Interpolation by universal, hypercyclic functions

    George Costakis, Vagia Vlachou

    págs. 625-636

    
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    Differentiation by integration using orthogonal polynomials, a survey

    Enno Diekema, Tom H. Koornwinder

    págs. 637-667

    
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    On the optimality of the Orthogonal Greedy Algorithm for m-coherent dictionaries

    E.D. Livshitz

    págs. 668-681

    
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    Universality for ensembles of matrices with potential theoretic weights on domains with smooth boundary

    Christopher D. Sinclair, Maxim Yattselev

    págs. 682-708

    
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    Bivariate interpolation based on univariate subdivision schemes

    Nir Sharon, Nira Dyn

    págs. 709-730

    
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    On the interpolation of discontinuous functions

    Michelle Campiti, Giusy Mazzone, C. Tacelli

    págs. 731-753

    
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    The exact number of real roots of the Bernoulli polynomials

    R. Edwards, D. J. Leeming

    págs. 754-775

    
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    Extrapolation on the cone of decreasing functions

    María Jesús Carro Rossell , Anna N. Marcoci, Liviu G. Marcoci

    págs. 776-790