A necessary and sufficient condition for strictly positive definite functions on spheres
Abstract
We give a necessary and sufficient condition for the strict positive-definiteness of real and continuous functions on spheres of dimension greater than one.
Department(s)
Mathematics
Document Type
Conference Proceeding
DOI
https://doi.org/10.1090/S0002-9939-03-06730-3
Keywords
Gegenbauer polynomials, Spherical harmonics, Strict positive-definiteness
Publication Date
9-1-2003
Recommended Citation
Chen, Debao, Valdir A. Menegatto, and Xingping Sun. "A necessary and sufficient condition for strictly positive definite functions on spheres." Proceedings of the American Mathematical Society (2003): 2733-2740.
Journal Title
Proceedings of the American Mathematical Society