Extremal polynomials on the unit circle with preassigned zeros and two-point partial Padé approximation
DOI10.1016/j.cam.2023.115480OpenAlexW4385383159MaRDI QIDQ6049305
Carlos Díaz-Mendoza, Adhemar Bultheel
Publication date: 17 October 2023
Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/j.cam.2023.115480
potential theoryPadé approximationunit circleextremal polynomialsHerglotz-Riesz transformquasi-paraorthogonal
Orthogonal functions and polynomials, general theory of nontrigonometric harmonic analysis (42C05) Approximation in the complex plane (30E10) Padé approximation (41A21) Zeros of polynomials, rational functions, and other analytic functions of one complex variable (e.g., zeros of functions with bounded Dirichlet integral) (30C15) Potentials and capacity, harmonic measure, extremal length and related notions in two dimensions (31A15)
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