An extension of a theorem of Schoenberg to products of spheres
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Publication:307025
DOI10.1215/17358787-3649260zbMath1348.43008arXiv1503.08174OpenAlexW2276712169MaRDI QIDQ307025
Valdir A. Menegatto, Jean C. Guella, Ana Paula Peron
Publication date: 1 September 2016
Published in: Banach Journal of Mathematical Analysis (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1503.08174
Trigonometric approximation (42A10) Positive definite functions in one variable harmonic analysis (42A82) Spherical harmonics (33C55) Orthogonal polynomials and functions in several variables expressible in terms of special functions in one variable (33C50) Positive definite functions on groups, semigroups, etc. (43A35)
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