Korovkin-type theorem for sequences of operators preserving shape

DOI10.1007/s11117-009-0038-zzbMath1218.41013OpenAlexW1965552436MaRDI QIDQ539266

Sergei P. Sidorov

Publication date: 27 May 2011

Published in: Positivity (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s11117-009-0038-z

zbMATH Keywords

shape preserving approximationKorovkin theorem

Mathematics Subject Classification ID

Approximation by operators (in particular, by integral operators) (41A35) Approximation by positive operators (41A36)

Cites Work

• Pointwise estimates for monotone polynomial approximation
• Efficient co-monotone approximation
• Qualitative Korovkin-type results on conservative approximation
• Shape-preserving approximation by polynomials
• Orders of coapproximation of functions by algebraic polynomials
• Monotone approximation
• Monotone Approximation by Algebraic Polynomials
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