TCHEBYCHEFF RATIONAL APPROXIMATION IN THE DISK, ON THE CIRCLE, AND ON A CLOSED INTERVAL

DOI10.1070/SM1988V061N01ABEH003193zbMath0656.30031OpenAlexW2104166548MaRDI QIDQ3803407

A. A. Pekarskii

Publication date: 1988

Published in: Mathematics of the USSR-Sbornik (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1070/sm1988v061n01abeh003193

zbMATH Keywords

Besov class

Mathematics Subject Classification ID

Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Approximation in the complex plane (30E10) Approximation by rational functions (41A20) Rate of convergence, degree of approximation (41A25)

Related Items (3)

Distribution of the logarithmic derivative of a rational function on the line ⋮ Best rational approximation of functions with logarithmic singularities ⋮ Fejér-type positive operator based on Takenaka-Malmquist system on unit circle

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