A short proof of a result of Kogbetliantz on the positivity of certain Cesàro means

DOI10.1007/BF02622109zbMath0840.41019OpenAlexW4254177216MaRDI QIDQ1910192

Yanyan Li

Publication date: 31 March 1996

Published in: Mathematische Zeitschrift (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/174843

zbMATH Keywords

Cesàro meanspositive operatorsLaplace series

Mathematics Subject Classification ID

Cesàro, Euler, Nörlund and Hausdorff methods (40G05) Multidimensional problems (41A63) Approximation by positive operators (41A36)

Related Items (2)

General and refined Montgomery lemmata ⋮ A Note on Some Approximation Kernels on the Sphere

Cites Work

• Geometric theory of Korovkin sets
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