Spherical basis functions and uniform distribution of points on spheres

• Autores: Xingping Sun, Zhenzhong Chen
• Localización: Journal of approximation theory, ISSN 0021-9045, Vol. 151, Nº 2, 2008, págs. 186-207
• Idioma: inglés
• DOI: 10.1016/j.jat.2007.09.009
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• Resumen

  • The main purpose of the present paper is to employ spherical basis functions (SBFs) to study uniform distribution of points on spheres. We extend Weyl's criterion for uniform distribution of points on spheres to include a characterization in terms of an SBF. We show that every set of minimal energy points associated with an SBF is uniformly distributed on the spheres. We give an error estimate for numerical integration based on the minimal energy points. We also estimate the separation of the minimal energy points.