2 papers
math.CA2018
Characterization of Strict Positive Definiteness on products of complex spheres
Mario H. Castro, Eugenio Massa, Ana Paula Peron
In this paper we consider Positive Definite functions on products of complex spheres, and we obtain a condition, in terms of the coefficients in their disc pol…
math.FA2017
Super-exponential decay rates for eigenvalues and singular values of integral operators on the sphere
M. H. Castro, T. Jordão, A. P. Peron
This paper brings results about the behavior of sequences of eigenvalues or singular values of integral operators generated by square-integrable kernels on the real m-dimensional u…