Approximation Theory

Best approximation and unique extension of Lipschitz functions

4 years ago

AbstractAuthorsCostica Mustata Institutul de Calcul, Romania (ICTP) KeywordsPaper coordinatesC. Mustata, Best approximation and unique extension of Lipschitz functions, J. Approx. Theory,…

Norm preserving extension of convex Lipschitz functions

4 years ago

AbstractAuthorsS. Cobzas Institutul de Matematica Cluj-Napoca, Romania C. Mustata Institutul de Matematica, Cluj-Napoca, Romania (ICTP) KeywordsReferencesSee the expanding block below.…

On the approximation of the global extremum of a semi-Lipschitz function

4 years ago

AbstractIn this paper one obtains a sequential procedure for determining the global extremum of a semi-Lipschitz real-valued function defined on…

On the Extensions Preserving the Shape of a Semi-Hölder Function

4 years ago

AbstractWe present some results concerning the extension of a semi-Hölder real-valued function defined on a subset of a quasi-metric space,…

From uniform to statistical convergence of binomial-type operators

4 years ago

AbstractSequences of binomial operators introduced by using umbral calculus are investigated from the point of view of statistical convergence. This…

Shift λ-Invariant Operators

4 years ago

AbstractThe present note is devoted to a generalization of the notion of shift invariant operators that we call it λ-invariant…

On a class of approximation operators

4 years ago

AbstractIn this note we construct a class of approximation operators using polynomial sequences of binomial type. We compute the expression…

Modifying an approximation process using non-Newtonian calculus

4 years ago

AbstractIn the present note we modify a linear positive Markov process of discrete type by using so called multiplicative calculus.…

Linear positive operators constructed by using Beta-type bases

4 years ago

AbstractStarting from a discrete linear approximation process that has the ability to turn polynomials into polynomials of the same degree,…

A stop over Jain operators and their generalizations

4 years ago

AbstractOn the last five decades the interest of the study of positive approximation processes have emerged with growing evidence. A…

Approximation Theory

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