Journal of approximation theory

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  Año 2002, Vol. 115, Número 1

  • Seleccionado

    New Characterizations of Ratio Asymptotics for Orthogonal Polynomials

    Ying Guang Shi

    págs. 1-8

    
  • Seleccionado

    On the Approximation Properties of Cesàro Means of Negative Order of Walsh–Fourier Series

    Ushangi Goginava

    págs. 9-20

    
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    Convergence Rates of Regularized Approximation Processes

    Sen-Yen Shaw, Hsiang Liu

    págs. 21-43

    
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    Derivatives of Generalized Distance Functions and Existence of Generalized Nearest Points

    Renxing Ni, Chong Li

    págs. 44-55

    
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    An Analogue of Montel's Theorem for Rational Functions of Best L<sub>p</sub>- Approximation

    J. Lawrynowicz, R. K. Kovacheva

    págs. 56-71

    
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    Best One-Sided L<sup> 1</sup>-Approximation by Blending Functions of Order (2, 2)

    Petar Petrov, Dimiter Dryanov

    págs. 72-99

    
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    Convergence Conditions for Vector Stieltjes Continued Fractions

    Mirta María Castro Smirnova

    págs. 100-119

    
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    Lower Semicontinuity Concepts, Continuous Selections, and Set Valued Metric Projections

    Frank Deutsch, Petar S. Kenderov, A. L. Brown, V. Indumathi

    págs. 120-143

    
  • Seleccionado

    The q-j<sub>α</sub> Bessel Function

    M. Moncef Hamza, Ahmed Fitouhi, Fethi Bouzeffour

    págs. 144-166

    
  • Seleccionado

    Bounds and Inequalities for L<sub>m</sub> Extremal Polynomials

    Ying Guang Shi

    págs. 167-185