On sign changes in weighted polynomial \(L^1\)-approximation

DOI10.1023/A:1015601325450zbMath1006.41017MaRDI QIDQ1857400

R. Grothmann, Ralitza K. Kovacheva, Hans-Peter Blatt

Publication date: 18 February 2003

Published in: Acta Mathematica Hungarica (Search for Journal in Brave)

zbMATH Keywords

counting measuresign changeserror functionsbest weighted approximation

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by polynomials (41A10)

Related Items (1)

Sequences with equi-distributed extreme points in uniform polynomial approximation

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