A negative result on multivariate convex approximation by positive linear operators

DOI10.1006/JATH.1996.0057zbMath0857.41015OpenAlexW2095537658MaRDI QIDQ1919087

Xuguang Lu

Publication date: 1 August 1996

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jath.1996.0057

zbMATH Keywords

multivariate approximationpositive linear operatorsconvex approximation

Mathematics Subject Classification ID

Multidimensional problems (41A63) Approximation by operators (in particular, by integral operators) (41A35) Approximation by positive operators (41A36)

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