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math.NA2026★ 1 cited
A representation and comparison of three cubic macro-elements
Ema Češek, Jan Grošelj, Andrej Kolar-Požun +4
The paper is concerned with three types of cubic splines over a triangulation that are characterized by three degrees of freedom associated with each vertex of the triangulation. T…
math.NA2024
Optimal one-sided approximants of circular arc
Ada Šadl Praprotnik, Aleš Vavpetič, Emil Žagar
The optimal one-sided parametric polynomial approximants of a circular arc are considered. More precisely, the approximant must be entirely in or out of the underlying circle of an…