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math.FA2015★ 9 cited
Strictly positive definite kernels on two-point compact homogeneous spaces
V. S. Barbosa, V. A. Menegatto
We present a necessary and sufficient condition for the strict positive definiteness of a real, continuous, isotropic and positive definite kernel on a two-point compact homogeneou…
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…