V. A. Menegatto

发表

Matrix valued positive definite kernels related to the generalized Aitken's integral for Gaussians

V. A. Menegatto, C. P. Oliveira, V. Menegatto, 2021, Constructive Mathematical Analysis.

Positive definiteness on products via generalized Stieltjes and other functions

V. A. Menegatto, 2021 .

Weighted Fourier–Laplace transforms in reproducing kernel Hilbert spaces on the sphere

V. A. Menegatto, V. Menegatto, T. Jordão, 2014 .

Strictly positive definite kernels on subsets of the complex plane

Valdir Antonio Menegatto, C. P. Oliveira, A. P. Peron, 2006, Comput. Math. Appl..

STRICT POSITIVE DEFINITENESS ON SPHERES VIA DISK POLYNOMIALS

V. A. Menegatto, A. Peron, 2002 .

Operators associated with conditionally positive definite kernels

V. A. Menegatto, C. P. Oliveira, A. Peron, 2004 .

Generalized interpolation on spheres using positive definite and related functions

V. A. Menegatto, V. Menegatto, A. Peron, 1997 .

Fundamental sets of functions on spheres

V. A. Menegatto, 1998 .

Schatten p-classes and asymptotics for eigenvalues of positive integral operators on the sphere

M. H. Castro, V. A. Menegatto, V. Menegatto, 2015 .

Eigenvalue decay rates for positive integral operators

V. A. Menegatto, J. C. Ferreira, V. Menegatto, 2013 .

An extension of Mercer’s theory to Lp

V. A. Menegatto, V. Menegatto, J. C. Ferreira, 2012 .

Eigenvalue decay of positive integral operators on the sphere

M. H. CASTRO, V. A. MENEGATTO, M. H. Castro, 2012, Math. Comput..

Eigenvalues of Integral Operators Defined by Smooth Positive Definite Kernels

V. A. Menegatto, J. C. Ferreira, V. Menegatto, 2009 .

Strictly positive definite kernels on the Hilbert sphere

Valdir A. Menegatto, V. A. Menegatto, V. Menegatto, 1994 .

Eigenvalues of dot-product kernels on the sphere

Douglas Azevedo, Valdir A. Menegatto, V. A. Menegatto, 2015 .

Strictly positive definite functions by integral transforms

V. A. Menegatto, V. Menegatto, W. Franca, 2022, Expositiones Mathematicae.

Positive definite functions on products of metric spaces via generalized Stieltjes functions

V. A. Menegatto, V. Menegatto, 2020 .

Positive definite matrix functions on spheres defined by hypergeometric functions

V. A. Menegatto, V. Menegatto, J. Guella, 2019, Integral Transforms and Special Functions.

Relations between Schoenberg Coefficients on Real and Complex Spheres of Different Dimensions

V. A. Menegatto, V. Menegatto, P. G. Bissiri, 2018, Symmetry, Integrability and Geometry: Methods and Applications.

Strictly positive definite multivariate covariance functions on spheres

Valdir Antonio Menegatto, Emilio Porcu, Jean Carlo Guella, 2018, J. Multivar. Anal..

Schoenberg’s Theorem for Positive Definite Functions on Products: A Unifying Framework

V. A. Menegatto, V. Menegatto, J. Guella, 2018, Journal of Fourier Analysis and Applications.

Unitarily invariant strictly positive definite kernels on spheres

V. A. Menegatto, V. Menegatto, J. Guella, 2018 .

Strictly Positive Definite Kernels on the Torus

V. A. Menegatto, V. Menegatto, J. Guella, 2017 .

A limit formula for semigroups defined by Fourier-Jacobi series

V. A. Menegatto, V. Menegatto, J. Guella, 2017 .

Strict positive definiteness of multivariate covariance functions on compact two-point homogeneous spaces

Valdir Antonio Menegatto, Rafaela N. Bonfim, V. A. Menegatto, 2016, J. Multivar. Anal..

Strictly positive definite kernels on a product of spheres

V. A. Menegatto, V. Menegatto, J. Guella, 2016 .

Eigenvalue Sequences of Positive Integral Operators and Moduli of Smoothness

V. A. Menegatto, Xingping Sun, V. Menegatto, 2014 .

Sharp estimates for eigenvalues of integral operators generated by dot product kernels on the sphere

Valdir Antonio Menegatto, Douglas Azevedo, V. A. Menegatto, 2014, J. Approx. Theory.

On conditionally positive definite dot product kernels

V. A. Menegatto, C. P. Oliveira, V. Menegatto, 2008 .

Conditionally positive definite kernels on Euclidean domains

V. A. Menegatto, V. Menegatto, A. Peron, 2004 .

A necessary and sufficient condition for strictly positive definite functions on spheres

V. A. Menegatto, Xingping Sun, V. Menegatto, 2003 .

A complex approach to strict positive definiteness on spheres

V. A. Menegatto, V. Menegatto, A. Peron, 2001 .

Positive Definite Kernels on Complex Spheres

V. A. Menegatto, V. Menegatto, A. Peron, 2001 .

Strictly positive definite functions on the complex Hilbert sphere

Xingping Sun, Valdir Antonio Menegatto, V. A. Menegatto, 1999, Adv. Comput. Math..

STRICT POSITIVE DEFINITENESS ON SPHERES

V. A. Menegatto, V. Menegatto, 1999 .

INTERPOLATION ON SPHERICAL DOMAINS

V. A. Menegatto, V. Menegatto, VALDIR A. MENEGATTO, 1992 .

Reproducing properties of differentiable Mercer‐like kernels

V. A. Menegatto, J. C. Ferreira, V. Menegatto, 2012 .

Kolmogorov Widths on the Sphere via Eigenvalue Estimates for Hölderian Integral Operators

V. A. Menegatto, V. Menegatto, T. Jordão, 2019, Results in Mathematics.

Kolmogorov Widths on the Sphere via Eigenvalue Estimates for Hölderian Integral Operators

V. A. Menegatto, V. Menegatto, T. Jordão, 2018, Results in Mathematics.

Reproducing Properties of Differentiable Mercer-Like Kernels on the Sphere

V. A. Menegatto, V. Menegatto, T. Jordão, 2012 .

Strictly Positive Definite Functions on Compact Two-Point Homogeneous Spaces: the Product Alternative

V. A. Menegatto, V. Menegatto, J. Guella, 2018, Symmetry, Integrability and Geometry: Methods and Applications.

AN EXTENSION OF A THEOREM OF SCHOENBERG TO PRODUCTS OF SPHERES

V. A. Menegatto, V. Menegatto, A. Peron, 2015, 1503.08174.

Conditionally Positive Definite Matrix Valued Kernels on Euclidean Spaces

V. A. Menegatto, V. Menegatto, J. Guella, 2019, Constructive Approximation.

An extension of Mercer’s theory to Lp

V. A. Menegatto, J. C. Ferreira, V. Menegatto, 2011, Positivity.

Positive definiteness, reproducing kernel Hilbert spaces and beyond

Valdir A. Menegatto, V. A. Menegatto, J. C. Ferreira, 2013 .

Old and New on the Laplace-Beltrami Derivative

V. A. Menegatto, V. Menegatto, A. C. Piantella, 2011 .