On modified Post-Widder operators which fix exponentials

DOI10.3934/mfc.2023015zbMath1529.41009OpenAlexW4327779305MaRDI QIDQ6167863

G. C. Greubel

Publication date: 7 August 2023

Published in: Mathematical Foundations of Computing (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3934/mfc.2023015

zbMATH Keywords

exponential functionsKorovkin-type theoremPost-Widder operatorsquantitative asymptotic formula

Mathematics Subject Classification ID

Rate of convergence, degree of approximation (41A25) Approximation by positive operators (41A36) Approximation by other special function classes (41A30)

Cites Work

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• Theorems of Korovkin type
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• Approximation by some Baskakov-Kantorovich exponential-type operators
• On semi-exponential Gauss-Weierstrass operators
• Saturation and Inverse Theorems for Combinations of a Class of Exponential-Type Operators
• Quantitative estimates for Jain-Kantorovich operators
• Approximation by Baskakov-Szász-Stancu Operators Preserving Exponential Functions
• Reconstruction of two approximation processes in order to reproduce e^ax and e^2ax, a>0
• A note on Kantorovich type Bernstein Chlodovsky operators which preserve exponential function
• Reconstruction of Baskakov operators preserving some exponential functions
• Approximation properties of Szász‐Mirakyan‐Kantorovich type operators
• On Approximation by Post-Widder and Stancu Operators Preserving x²

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