A. Alegría

activity

20162021

most citedEstimating covariance functions of multivariate skew-Gaussian random fields on the sphere

15 citations · 26 across the 6 of their papers we have counts for

collaborators

Showing 2020Show all

2 papers · 1 filter

math.ST2020

Karhunen-Loève Expansions for Axially Symmetric Gaussian Processes: Modeling Strategies and $L^{2}$ Approximations

Alfredo Alegría, Francisco Cuevas-Pacheco

Axially symmetric processes on spheres, for which the second-order dependency structure may substantially vary with shifts in latitude, are a prominent alternative to model the spa…

math.ST2020

The Turning Arcs: a Computationally Efficient Algorithm to Simulate Isotropic Vector-Valued Gaussian Random Fields on the $d$ -Sphere

Alfredo Alegría, Xavier Emery, Christian Lantuéjoul

Random fields on the sphere play a fundamental role in the natural sciences. This paper presents a simulation algorithm parenthetical to the spectral turning bands method used in E…

Karhunen-Loève Expansions for Axially Symmetric Gaussian Processes: Modeling Strategies and L2 Approximations

The Turning Arcs: a Computationally Efficient Algorithm to Simulate Isotropic Vector-Valued Gaussian Random Fields on the d-Sphere

Karhunen-Loève Expansions for Axially Symmetric Gaussian Processes: Modeling Strategies and $L^{2}$ Approximations

The Turning Arcs: a Computationally Efficient Algorithm to Simulate Isotropic Vector-Valued Gaussian Random Fields on the $d$ -Sphere