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Asymptotic behaviour of the ratio of Christoffel functions for weights W2 and W2g

✍ Scribed by Arnold Knopfmacher; D.S Lubinsky

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
893 KB
Volume
52
Category
Article
ISSN
0021-9045

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We consider orthogonal polynomials {p n,N (x)} ∞ n=0 on the real line with respect to a weight w(x) = e -NV (x) and in particular the asymptotic behaviour of the coefficients a n,N and b n,N in the three-term recurrence For one-cut regular V we show, using the Deift-Zhou method of steepest descent