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math.CA2020
A Gneiting-Like Method for Constructing Positive Definite Functions on Metric Spaces
Victor S. Barbosa, Valdir A. Menegatto
This paper is concerned with the construction of positive definite functions on a cartesian product of quasi-metric spaces using generalized Stieltjes and complete Bernstein functi…
math.CA2015
Differentiable positive definite functions on two-point homogeneous spaces
V. S. Barbosa, V. A. Menegatto
In this paper we study continuous kernels on compact two point homogeneous spaces which are positive definite and zonal (isotropic). Such kernels were characterized by R. Gangolli…