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Weighted simultaneous approximation by lagrange interpolation on the real line

✍ Scribed by K. Balázs


Book ID
108076941
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
262 KB
Volume
48
Category
Article
ISSN
0898-1221

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Weighted Polynomial Approximation on the
✍ A. Kroo; J. Szabados 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 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