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Zastavnyi operators and positive definite radial functions

Lookup NU author(s): Professor Emilio Porcu

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Abstract

© 2019 Elsevier B.V. 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.

Publication metadata

Author(s): Faouzi T, Porcu E, Bevilacqua M, Kondrashuk I

Publication type: Article

Publication status: Published

Journal: Statistics and Probability Letters

Year: 2020

Volume: 157

Pages: 108620

Print publication date: 01/02/2020

Online publication date: 18/09/2019

Acceptance date: 07/09/2019

ISSN (print): 0167-7152

Publisher: Elsevier BV

URL: https://doi.org/10.1016/j.spl.2019.108620

DOI: 10.1016/j.spl.2019.108620

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