scientific article

zbMath0645.41019MaRDI QIDQ3788444

Francesco Barbieri

Publication date: 1983

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

weighted momentssemicontinuity properties

Mathematics Subject Classification ID

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

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General convergence theorem with respect to Cesari variation and applications ⋮ The complete asymptotic evaluation for Mellin convolution operators ⋮ On a special class of modified integral operators preserving some exponential functions ⋮ Approximation properties for linear combinations of moment type operators ⋮ Reconstruction of two approximation processes in order to reproduce e^ax and e^2ax, a>0 ⋮ A survey on recent results of the mathematical seminar in Perugia, inspired by the work of Professor P. L. Butzer ⋮ Variation and Approximation in Multidimensional Setting for Mellin Integral Operators ⋮ QUANTITATIVE APPROXIMATION PROPERTIES FOR ITERATES OF MOMENT OPERATOR ⋮ On approximation properties of certain non-convolution integral operators

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