Emilio Porcu

According to our database, Emilio Porcu authored at least 29 papers between 2007 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2026

On the continuity and differentiability of matrix-valued covariance kernels depending on Euclidean or spherical distances.

Xavier Emery, Emilio Porcu

Comput. Appl. Math., February, 2026

Matérn and Generalized Wendland correlation models that parameterize hole effect, smoothness, and support.

Xavier Emery, Moreno Bevilacqua, Emilio Porcu

J. Multivar. Anal., 2026

2025

Data Science: a Natural Ecosystem.

Emilio Porcu, Roy El Moukari, Laurent Najman, Francisco Herrera, Horst Simon

CoRR, June, 2025

Rudin's extension theorems and exponential convexity for matrix- and function-valued positive semidefinite functions.

Emilio Porcu, Xavier Emery, Vinicius Ferreira, Jorge P. Zubelli

Comput. Appl. Math., February, 2025

Unified Native Spaces in Kernel Methods.

Xavier Emery, Emilio Porcu, Moreno Bevilacqua

CoRR, January, 2025

2024

Integral representations, extension theorems and walks through dimensions under radial exponential convexity.

Xavier Emery, Emilio Porcu

Comput. Appl. Math., February, 2024

Understanding Smoothness of Vector Gaussian Processes on Product Spaces.

Emilio Porcu, Ana Paula Peron, Eugenio Massa, Xavier Emery

Trans. Mach. Learn. Res., 2024

2023

The Schoenberg kernel and more flexible multivariate covariance models in Euclidean spaces.

Xavier Emery, Emilio Porcu

Comput. Appl. Math., June, 2023

Sobolev Spaces, Kernels and Discrepancies over Hyperspheres.

Simon Hubbert, Emilio Porcu, Chris J. Oates, Mark Girolami

Trans. Mach. Learn. Res., 2023

Temporally-Evolving Generalised Networks and their Reproducing Kernels.

Tobia Filosi, Claudio Agostinelli, Emilio Porcu

CoRR, 2023

2022

Criteria and characterizations for spatially isotropic and temporally symmetric matrix-valued covariance functions.

Emilio Porcu, Xavier Emery, Nadia Mery

Comput. Appl. Math., July, 2022

Dimension walks on hyperspheres.

Xavier Emery, Ana Paula Peron, Emilio Porcu

Comput. Appl. Math., July, 2022

Unifying compactly supported and Matérn covariance functions in spatial statistics.

Moreno Bevilacqua, Christian Caamaño-Carrillo, Emilio Porcu

J. Multivar. Anal., 2022

A deep look into the dagum family of isotropic covariance functions.

Tarik Faouzi, Emilio Porcu, Igor Kondrashuk, Anatoliy Malyarenko

J. Appl. Probab., 2022

Nonparametric Bayesian modelling of longitudinally integrated covariance functions on spheres.

Pier Giovanni Bissiri, Galatia Cleanthous, Xavier Emery, Bernardo Nipoti, Emilio Porcu

Comput. Stat. Data Anal., 2022

2020

Fast and exact simulation of Gaussian random fields defined on the sphere cross time.

Francisco Cuevas, Denis Allard, Emilio Porcu

Stat. Comput., 2020

2018

Strictly positive definite multivariate covariance functions on spheres.

Jean Carlo Guella, Valdir Antonio Menegatto, Emilio Porcu

J. Multivar. Anal., 2018

Equivalence and orthogonality of Gaussian measures on spheres.

Ahmed Arafat, Emilio Porcu, Moreno Bevilacqua, Jorge Mateu

J. Multivar. Anal., 2018

Schoenberg's theorem for real and complex Hilbert spheres revisited.

Christian Berg, Ana P. Peron, Emilio Porcu

J. Approx. Theory, 2018

2017

The dimple problem related to space-time modeling under the Lagrangian framework.

Alfredo Alegría, Emilio Porcu

J. Multivar. Anal., 2017

An automated decision support system for aided assessment of variogram models.

Emanuele Barca, Emilio Porcu, Delia Bruno, Giuseppe Passarella

Environ. Model. Softw., 2017

2016

Covariance tapering for multivariate Gaussian random fields estimation.

Moreno Bevilacqua, Alessandro Fassò, Carlo Gaetan, Emilio Porcu, Daira Velandia

Stat. Methods Appl., 2016

2015

Multivariate and multiradial Schoenberg measures with their dimension walks.

Carlos Eduardo Alonso-Malaver, Emilio Porcu, Ramón H. Giraldo

J. Multivar. Anal., 2015

2011

Characterization theorems for some classes of covariance functions associated to vector valued random fields.

Emilio Porcu, Viktor Zastavnyi

J. Multivar. Anal., 2011

2010

Weighted composite likelihood-based tests for space-time separability of covariance functions.

Moreno Bevilacqua, Jorge Mateu, Emilio Porcu, H. Zhang, A. Zini

Stat. Comput., 2010

2009

Quasi-arithmetic means of covariance functions with potential applications to space-time data.

Emilio Porcu, Jorge Mateu, George Christakos

J. Multivar. Anal., 2009

2008

Recent advances to model anisotropic space-time data.

Jorge Mateu, Emilio Porcu, Pablo Gregori

Stat. Methods Appl., 2008

Modelling residuals dependence in dynamic life tables: A geostatistical approach.

Ana Debón, Francisco Montes, Jorge Mateu, Emilio Porcu, Moreno Bevilacqua

Comput. Stat. Data Anal., 2008

2007

Geostatistical Analysis Through Spectral Techniques: Some Words of Caution.

Jorge Mateu, Pablo Juan, Emilio Porcu

Commun. Stat. Simul. Comput., 2007