Characterization of optimal polynomial and rational starting approximations
Characterization of the smoothness of functions with a given order of approximation by polynomials on the real line
Chebyshev approximation via polynomial mappings and the convergence behaviour of Krylov subspace methods.
Comparisons Between Best Polynomial Approximations and Interpolating Polynomials.
Computing with Laguerre polynomials.
Concerning approximation with nodes
Construction of Stancu-Hurwitz operator for two variables.
Constructive function theory on sets of the complex plane through potential theory and geometric function theory.
Continuidad De Polinomios En Espacios Vectoriales Topologicos.
Convexity and variation diminishing property for Bernstein polynomials in higher dimensions
Corrected Fourier series and its application to function approximation.
Correction to “Walsh equiconvergence for best approximates” Studia Math.. 77 (1984), 523-528