Simultaneous Gaussian quadrature for Angelesco systems
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Publication:4590726
zbMath1377.41017arXiv1603.06069MaRDI QIDQ4590726
Walter Van Assche, Doron S. Lubinsky
Publication date: 20 November 2017
Full work available at URL: https://arxiv.org/abs/1603.06069
weighted polynomial approximationHermite-Padé approximationAngelesco systemssimultaneous quadraturevector potential equilibrium
Approximate quadratures (41A55) Simultaneous approximation (41A28) Numerical integration (65D30) Potentials and capacity, harmonic measure, extremal length and related notions in two dimensions (31A15)
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Construction of the optimal set of two or three quadrature rules in the sense of Borges ⋮ Multiple Hermite polynomials and simultaneous Gaussian quadrature ⋮ Self-adjoint Jacobi matrices on trees and multiple orthogonal polynomials ⋮ Christoffel functions for multiple orthogonal polynomials
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