Polynomial operators and local smoothness classes on the unit interval, II

• Autores: H.N. Mhaskar
• Localización: Jaen journal on approximation, ISSN 1889-3066, ISSN-e 1989-7251, Vol. 1, Nº. 1, 2009, págs. 1-25
• Idioma: inglés
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• Resumen

  • We prove the existence of quadrature formulas exact for integrating high degree polynomials with respect to Jacobi weights based on scattered data on the unit interval.

    We also obtain a characterization of local Besov spaces using the coefficients of a tight frame expansion.