Dr. Luis Acedo
Department of Mathematics, University of Extremadura, Spain
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Academic Career Length
33Years (1994-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications31 March 2004 in Physical Review E
Journal Article
We study the reaction front for the process in which the reagents move subdiffusively. Our theoretical description is based on a fractional reaction-subdiffusion equation in which both the motion and the reaction terms are affected by the subdiffusive character of the process. We design numerical simulations to check our theoretical results, describing the simulations in some detail because the rules necessarily differ in important respects from those used in diffusive processes. Comparisons between theory and simulations are on the whole favorable, with the most difficult quantities to capture being those that involve very small numbers of particles. In particular, we analyze the total number of product particles, the width of the depletion zone, the production profile of product and its width, as well as the reactant concentrations at the center of the reaction zone, all as a function of time. We also analyze the shape of the product profile as a function of time, in particular, its unusual behavior at the center of the reaction zone.
15 December 2009 in Epidemiology and Infection
Journal Article
Luis AcedoJDJAVIER DIEZ DOMINGO
JAVIER DIEZ DOMINGOJMJ.-A. Moraño
J.-A. Moraño
Rafael VillanuevaSUMMARY: We propose an age-structured mathematical model for respiratory syncytial virus in which children aged <1 year are especially considered. Real data on hospitalized children in the Spanish region of Valencia were used in order to determine some seasonal parameters of the model. Weekly predictions of the number of children aged <1 year that will be hospitalized in the following years in Valencia are presented using this model. Results are applied to estimate the regional cost of paediatric hospitalizations and to perform a cost-effectiveness analysis of possible vaccination strategies.
26 October 2001 in Physical Review E
Journal Article
We present results for the ordered sequence of first-passage times of arrival of N random walkers at a boundary in Euclidean spaces of d dimensions.
8 August 2001 in The Journal of Chemical Physics
Journal Article
Luis Acedo
Andrés SantosA model for the radial distribution function of a square-well fluid of variable width previously proposed [Yuste and Santos, J. Chem. Phys. 101, 2355 (1994)] is revisited and simplified. The model provides an explicit expression for the Laplace transform of the coefficients being given as explicit functions of the density, the temperature, and the interaction range. In the limits corresponding to hard spheres and sticky hard spheres, the model reduces to the analytical solutions of the Percus–Yevick equation for those potentials. The results can be useful to describe in a fully analytical way the structural and thermodynamic behavior of colloidal suspensions modeled as hard-core particles with a short-range attraction. Comparison with computer simulation data shows a general good agreement, even for relatively wide wells.
1 June 2010 in Nonlinear Analysis: Real World Applications
Journal Article
Luis Acedo
Gilberto Gonzalez-Parra
ABRAHAM JOSE ARENAS TAWIL1 October 1999 in Physical Review E
Journal Article
Santos Bravo YusteLuis AcedoThe problem of evaluating the number of distinct sites covered up to time t by N random walkers is revisited. For the nontrivial time regime and for we show how to get the asymptotic behavior of and we calculate the main and first two corrective terms. The th corrective term decays mildly as For d-dimensional simple cubic lattices, the main term is the volume of the hypersphere of radius being the diffusion constant, and the corrective terms account for the roughening of the surface of the set of visited sites.
About Me
Luis Acedo received his B.S. degree in fundamental physics from the University of Extremadura, Badajoz, Spain, in 1993, and the M.S. and Ph.D. degrees (with honors) from the same university in 1995 and 1998, respectively. He has been teaching at the Universities of Extremadura and Salamanca, specifically at the Departments of Physics and Applied Mathematics. He has also worked as research assistant at the Polytechnic University of Valencia, Spain. Currently, he works as professor of applied mathematics at the University Center of Plasencia, University of Extremadura, Spain.
He has been involved in many interdisciplinary projects including statistical physics, cosmology, numerical methods, and the epidemiology of infectious diseases. His current interests are celestial mechanics, gravitational physics, numerical analysis of nonlinear equations, and distributed computing in epidemiology. He has also been involved in projects to simulate the propagation of meningitis and other infectious diseases in large-scale networks and the cost effectiveness of vaccination campaigns.