Rate of convergence of two-point Padé approximants and logarithmic asymptotics of Laurent-type orthogonal polynomials

ISSN:
1432-0940
Keywords:
Primary 41A21 ; 41A25 ; 42CO5 ; Secondary ; 30E10 ; 31A99 ; Padé approximants ; Laurent-type orthogonal polynomials ; Stieltjes-type meromorphic functions ; Logarithmic asymptotics ; Christoffel function ; Potential theory
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mathematics
Notes:
Abstract The logarithmic asymptotics of Laurent-type orthogonal polynomials is obtained for a wide class of weights. This is used to estimate the exact rate of convergence of two-point Padé approximants for the corresponding class of Stieltjes-type meromorphic functions.
Type of Medium:
Electronic Resource
URL: