Zastavnyi operators and positive definite radial functions

Tarik Faouzi, Emilio Porcu, Moreno Bevilacqua and Igor Kondrashuk

Statistics & Probability Letters, 2020, vol. 157, issue C

Abstract: we consider a new operator acting on rescaled weighted differences between two members of the class Φd of positive definite radial functions. In particular, we study the positive definiteness of the operator for the Matérn, Generalized Cauchy and Wendland families.

Keywords: Completely monotonic; Fourier transforms; Positive definite; Radial functions (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1016/j.spl.2019.108620

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