An extension of a theorem of Schoenberg to products of spheres JC Guella, VA Menegatto, AP Peron | 40 | 2016 |
Strictly positive definite multivariate covariance functions on spheres JC Guella, VA Menegatto, E Porcu Journal of Multivariate Analysis 166, 150-159, 2018 | 24 | 2018 |
Strictly positive definite kernels on a product of spheres JC Guella, VA Menegatto Journal of Mathematical Analysis and Applications 435 (1), 286-301, 2016 | 24 | 2016 |
Strictly positive definite kernels on a product of circles JC Guella, VA Menegatto, AP Peron Positivity 21, 329-342, 2017 | 23 | 2017 |
Strictly positive definite kernels on a product of spheres II JC Guella, VA Menegatto, AP Peron SIGMA. Symmetry, Integrability and Geometry: Methods and Applications 12, 103, 2016 | 20 | 2016 |
Schoenberg’s theorem for positive definite functions on products: a unifying framework JC Guella, VA Menegatto Journal of Fourier Analysis and Applications 25 (4), 1424-1446, 2019 | 14 | 2019 |
On Gaussian kernels on Hilbert spaces and kernels on hyperbolic spaces JC Guella Journal of Approximation Theory 279, 105765, 2022 | 11 | 2022 |
Strictly positive definite kernels on the torus J Guella, VA Menegatto Constructive Approximation 46 (2), 271-284, 2017 | 11 | 2017 |
Unitarily invariant strictly positive definite kernels on spheres JC Guella, VA Menegatto Positivity 22 (1), 91-103, 2018 | 9 | 2018 |
Positive definite matrix functions on spheres defined by hypergeometric functions JC Guella, VA Menegatto Integral Transforms and Special Functions 30 (10), 774-789, 2019 | 6 | 2019 |
Strictly positive definite functions on compact two-point homogeneous spaces: the product alternative RN Bonfim, JC Guella, VA Menegatto SIGMA. Symmetry, Integrability and Geometry: Methods and Applications 14, 112, 2018 | 6 | 2018 |
Operator-valued positive definite kernels and differentiable universality JC Guella Analysis and Applications 20 (04), 681-735, 2022 | 5 | 2022 |
Conditionally positive definite matrix valued kernels on Euclidean spaces JC Guella, VA Menegatto Constructive Approximation 52 (1), 65-92, 2020 | 5 | 2020 |
A limit formula for semigroups defined by Fourier-Jacobi series J Guella, V Menegatto Proceedings of the American Mathematical Society 146 (5), 2027-2038, 2018 | 3 | 2018 |
Generalization of the energy distance by Bernstein functions JC Guella Journal of Theoretical Probability 36 (1), 494-521, 2023 | 2 | 2023 |
Strictly positive definite non-isotropic kernels on two-point homogeneous manifolds: the asymptotic approach JC Guella, J Jäger Positivity 28 (1), 4, 2024 | 1 | 2024 |
A unifying approach to isotropic and radial positive definite kernels JC Guella Universidade de São Paulo, 2019 | 1 | 2019 |
Generalization of the HSIC and distance covariance using PDI kernels JC Guella Banach Journal of Mathematical Analysis 17 (4), 71, 2023 | | 2023 |
Strictly positive definite kernels on compact Riemannian manifolds JC Guella, J Jäger arXiv preprint arXiv:2301.08122, 2023 | | 2023 |
Positive definite matrix-valued kernels and their scalar valued projections: counterexamples JC Guella arXiv preprint arXiv:2211.17137, 2022 | | 2022 |