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math.CA2026
Stieltjes polynomial interpolation
Víctor Cora, Fernando Adrián Fernández Tojo
We show Lagrange and Hermite interpolation are possible using Stieltjes polynomials, linear combinations of iterated Stieltjes integrals of a constant function. We introduce divide…
math.CA2025
On the approximation properties of Stieltjes polynomials
Víctor Cora, F. Adrián F. Tojo
We introduce and study the approximation properties of -polynomials, defined as linear combinations of iterated Stieltjes integrals of a constant function. Focusing on the case…