most citedA generalization of a theorem of Brass and Schmeisser

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math.CA2023★ 1 cited

A generalization of a theorem of Brass and Schmeisser

Tomasz Szostok

Let be an odd positive integer. It was proved by Brass and Schmeisser that for every quadrature (with positive weights) of order at l…

math.CA2016

Functional inequalities involving numerical differentiation formulas of order two

Tomasz Szostok

We write expressions connected with numerical differentiation formulas of order in the form of Stieltjes integral, then we use Ohlin lemma and Levin-Stechkin theorem to study i…