Publicaciones en colaboración con investigadores/as de Benemérita Universidad Autónoma de Puebla (18)

2022

  1. Estimates for the modulus of continuity in the Jacobi frame

    Journal of Approximation Theory, Vol. 273

2021

  1. Baskakov operators and Jacobi weights: pointwise estimates

    Journal of Inequalities and Applications, Vol. 2021, Núm. 1

2019

  1. Fejér Sums and Chebyshev Polynomials

    Results in Mathematics, Vol. 74, Núm. 4

2018

  1. Generalized Jacobi–Weierstrass operators and Jacobi expansions

    Journal of Inequalities and Applications, Vol. 2018

  2. Orthogonal Projections and Uniformly Bounded Families of Multipliers

    Results in Mathematics, Vol. 73, Núm. 3

2015

  1. Estimates for the moments of Bernstein polynomials

    Journal of Mathematical Analysis and Applications, Vol. 432, Núm. 1, pp. 114-128

  2. Quasi orthogonal Jacobi polynomials and best one-sided L1 approximation to step functions

    Journal of Approximation Theory, Vol. 198, pp. 10-23

  3. Sharp upper and lower bounds for the moments of Bernstein polynomials

    Applied Mathematics and Computation, Vol. 265, pp. 723-732

2014

  1. Bernstein polynomial and discontinuous functions

    Journal of Mathematical Analysis and Applications, Vol. 411, Núm. 2, pp. 829-837

  2. Gaussian, Lobatto and Radau positive quadrature rules with a prescribed abscissa

    Calcolo, Vol. 51, Núm. 2, pp. 319-328

2012

  1. Best one-sided L 1 approximation to the Heaviside and sign functions

    Journal of Approximation Theory, Vol. 164, Núm. 6, pp. 791-802

  2. Direct and strong converse theorems for a general sequence of positive linear operators

    Acta Mathematica Hungarica, Vol. 136, Núm. 1-2, pp. 90-106

  3. Polynomial operators for one-sided approximation to functions in W p r[0, 1]

    Journal of Mathematical Analysis and Applications, Vol. 393, Núm. 2, pp. 517-525

2010

  1. A property of Ditzian-Totik second order moduli

    Applied Mathematics Letters, Vol. 23, Núm. 5, pp. 576-580

  2. Direct estimate for positive linear operators in polynomial weighted spaces

    Journal of Approximation Theory, Vol. 162, Núm. 8, pp. 1495-1508

2008

  1. An application to the MKZ-operators of generalized convexity on ECT-systems

    Journal of Mathematical Analysis and Applications, Vol. 342, Núm. 1, pp. 497-502

2006

  1. On an extremal relation of Bernstein operators

    Journal of Approximation Theory, Vol. 141, Núm. 2, pp. 214-215

2005

  1. The Polya algorithm in sequence spaces

    Journal of Approximation Theory, Vol. 135, Núm. 2, pp. 245-257