Numerical cubature and hyperinterpolation over spherical polygons

A. Sommariva

Applied Mathematics and Computation, 2025, vol. 495, issue C

Abstract: The purpose of this work is to introduce a strategy for determining the nodes and weights of a low-cardinality positive cubature formula nearly exact for polynomials of a given degree over spherical polygons.

Keywords: Algebraic cubature; Spherical triangles; Spherical polygons; Hyperinterpolation (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:495:y:2025:i:c:s0096300325000621

DOI: 10.1016/j.amc.2025.129335

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