Normal indices in Nikishin systems. - Amílcar José Pinto Lopes Branquinho; Jorge Bustamante; Ana Pilar Foulquié Moreno; Guillermo López Lagomasino (J. Approx. Theory, 2003)

The Polya algorithm in sequence spaces. - José M. Quesada; J. Fernández-Ochoa; Juan Martínez-Moreno; Jorge Bustamante (J. Approx. Theory, 2005)

On an extremal relation of Bernstein operators. - Jorge Bustamante; José M. Quesada (J. Approx. Theory, 2006)

Direct and inverse results in Hölder norms. - Jorge Bustamante; Cuauhtemoc Castañeda Roldan (J. Approx. Theory, 2006)

A regularization method for polynomial approximation of functions from their approximate values at nodes. - Jorge Bustamante; R. C. Castillo; Andrés Fraguela Collar (J. Num. Math., 2009)

A property of Ditzian-Totik second order moduli. - Jorge Bustamante; José M. Quesada (Appl. Math. Lett., 2010)

Direct estimate for positive linear operators in polynomial weighted spaces. - Jorge Bustamante; José M. Quesada; Lorena Morales de la Cruz (J. Approx. Theory, 2010)

Best one-sided L1 approximation to the Heaviside and sign functions. - Jorge Bustamante; José M. Quesada; Reinaldo Martínez-Cruz (J. Approx. Theory, 2012)

Sharp upper and lower bounds for the moments of Bernstein polynomials. - José A. Adell; Jorge Bustamante; José M. Quesada (Appl. Math. Comput., 2015)

Quasi orthogonal Jacobi polynomials and best one-sided L1 approximation to step functions. - Jorge Bustamante; Reinaldo Martínez-Cruz; José María Quesada (J. Approx. Theory, 2015)

Estimates for the modulus of continuity in the Jacobi frame. - Jorge Bustamante; Juán Jesús Merino-García; José María Quesada (J. Approx. Theory, 2022)

Pruning deep neural networks generates a sparse, bio-inspired nonlinear controller for insect flight. - Olivia Zahn; Jorge Bustamante; Callin Switzer; Thomas L. Daniel; J. Nathan Kutz (PLoS Comput. Biol., 2022)

Approximation of functions and Mihesan operators. - Jorge Bustamante (Math. Found. Comput., 2023)