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Weights on the real line that admit good relative polynomial approximation, with applications

โœ Scribed by A.L Levin; D.S Lubinsky


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
985 KB
Volume
49
Category
Article
ISSN
0021-9045

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๐Ÿ“œ SIMILAR VOLUMES


Weighted Polynomial Approximation on the
โœ A. Kroo; J. Szabados ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 635 KB

We study polynomial approximation on the whole real line with weight \(w=e^{-Q}\), where \(Q\) has polynomial growth at infinity. The following are the main problems considered: asymptotics for the Markov factors and for the rate of best approximation of \(|x|\), Jackson-type estimates for the degre