56 results on '"41a20"'
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2. On the Lebesgue constant of barycentric rational interpolation at equidistant nodes
3. Growth Behavior and Zero Distribution of Rational Approximants
4. Nikishin Systems Are Perfect
5. Extremal Rational Functions on Symmetric Discrete Sets and Superlinear Convergence of the ADI Method
6. Mixed Type Multiple Orthogonal Polynomials for Two Nikishin Systems
7. A de Montessus Type Convergence Study of a Least-Squares Vector-Valued Rational Interpolation Procedure II
8. On Uniform Approximation of Rational Perturbations of Cauchy Integrals
9. Convergent Interpolation to Cauchy Integrals over Analytic Arcs
10. Pole-Based approximation of the Fermi-Dirac function
11. Higher-Order Three-Term Recurrences and Asymptotics of Multiple Orthogonal Polynomials
12. Fourier–Padé Approximants for Nikishin Systems
13. The Structure of Certain Spaces of Analytic Functions
14. Rational quadrature formulae on the unit circle with arbitrary poles
15. Barycentric rational interpolation with no poles and high rates of approximation
16. On the Degree of Approximation by Spherical Translations
17. Approximation by rational functions with polynomials of positive coefficients as the denominators
18. On Approximation by Reciprocals of Spherical Harmonics in L p Norm
19. Error bounds for rational quadrature formulae of analytic functions
20. Poles and Alternation Points in Real Rational Chebyshev Approximation
21. Asymptotics for Minimal Blaschke Products and Best L1 Meromorphic Approximants of Markov Functions
22. Rational approximation with varying weights I
23. An algorithm for chebyshev approximation by rationals with constrained denominators
24. Direct and converse results by rational operators
25. Poles and zeros of best rational approximants of |x|
26. Optimal ray sequences of rational functions connected with the Zolotarev problem
27. Approximation and interpolation by convexity-preserving rational splines
28. On Müntz rational approximation
29. Planar curve interpolation by piecewise conics of arbitrary type
30. The density of rational functions in Markov systems: A counterexample to a conjecture of D. J. Newman
31. Optimality and uniqueness conditions in complex rational Chebyshev approximation with examples
32. Rational approximation to Lipschitz and Zygmund classes
33. Asymptotics for the zeros of the generalized Bessel polynomials
34. A parallel algorithm for discrete least squares rational approximation
35. A new formal approach to the rational interpolation problem
36. Polynomial approximation inL p (0<p<1)
37. On the structure of a table of multivariate rational interpolants
38. Uniform rational approximation of functions with first derivative in the real hardy space ReH 1
39. Hermite interpolation: The barycentric approach
40. Tracking poles and representing Hankel operators directly from data
41. The CF table
42. Erratum: Optimal ray sequences of rational functions connected with the zolotarev problem
43. Corrigendum: The density of rational functions in markov systems: a counterexample to a conjecture of D. J. Newman
44. Rational approximation of Stieltjes functions by the Carathéodory-Fejér method
45. Equiconvergence in rational approximation of meromorphic functions
46. Blaschke product interpolation and its application to the design of digital filters
47. The differential correction algorithm for generalized rational functions
48. A characterization of best complex rational approximants in a fundamental case
49. On the convergence of generalized Padé approximants
50. Error control of rational approximations to the exponential function
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