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Regularization of cylindrical processes in locally convex Spaces 

Fonseca Mora, Christian Andrés (2020-12-15)
Let Φ be a locally convex space and let Φ′ denote its strong dual. In this paper, we introduce sufficient conditions for the existence of a continuous or a càdlàg Φ′-valued version to a cylindrical process defined on Φ′. ...
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The role of short-term immigration on disease dynamics: An SIR model with age-structure
El rol de la inmigración en periodos cortos sobre la dinámica de enfermedades: un modelo sir con estructura de edad 

Sánchez Peña, Fabio Ariel; Calvo Alpízar, Juan Gabriel (2019-02-18)
We formulate an age-structured nonlinear partial differential equation model that features short-term immigration effects in a population. Individuals can immigrate into the population as any of the three stages in the ...
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The local index formula for SU_q(2) 

Van Suijlekom, Walter; Dabrowski, Ludwik; Landi, Giovanni; Sitarz, Andrzej; Várilly Boyle, Joseph C. (2005)
We discuss the local index formula of Connes-Moscovici for the isospectral noncommutative geometry that we have recently constructed on quantum SU(2). We work out the cosphere bundle and the dimension spectrum as well as ...

Algebras of distributions suitable for phase‐space quantum mechanics. II. Topologies on the Moyal algebra 

Várilly Boyle, Joseph C.; Gracia Bondía, José M. (1988-06-04)
The topology of the Moyal *-algebra may be defined in three ways: the algebra may be regarded as an operator algebra over the space of smooth declining functions either on the configuration space or on the phase space ...
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A nonperturbative form of the spectral action principle in noncommutative geometry 

Figueroa González, Héctor; Gracia Bondía, José M.; Lizzi, Fedele; Várilly Boyle, Joseph C. (1998-07)
Using the formalism of superconnections, we show the existence of a bosonic action functional for the standard K-cycle in noncommutative geometry, giving rise, through the spectral action principle, only to the Einstein ...

Models of torsors and the fundamental group scheme 

Antei, Marco; Emsalem, Michel (2018)
Given a relative faithfully at pointed scheme over the spectrum of a discrete valuation ring X !S, this paper is motivated by the study of the natural morphism from the fundamental group scheme of the generic ber X ...
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Quantum gauge models without classical Higgs mechanism 

Dütsch, Michael; Gracia Bondía, José M.; Scheck, Florian; Várilly Boyle, Joseph C. (2010-09-15)
We examine the status of massive gauge theories, such as those usually obtained by spontaneous symmetry breakdown, from the viewpoint of causal (Epstein-Glaser) renormalization. The BRST formulation of gauge invariance in ...

A posteriori error analysis of mixed finite element methods for stress-assisted diffusion problems 

Gatica Pérez, Gabriel Nibaldo; Gómez Vargas, Bryan Andrés; Ruiz Baier, Ricardo (2022)
We develop the a posteriori error analysis for mixed-primal and fully-mixed finite element methods approximating the stress-assisted diffusion of solutes in elastic materials. The systems are formulated in terms of stress, ...
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Propuesta didáctica para la docencia universitaria de las ecuaciones polinomiales
Didactical proposal for teaching polynomial equations at university level 

Camacho Navarro, Catalina; Trejos Zelaya, Javier; Viquez Céspedes, Hernán (2017)
En este artículo contiene los principales resultados obtenidos a partir del diseño, aplicación y evaluación de una propuesta didáctica para la enseñanza de las ecuaciones polinomiales, la cual se desarrolló durante el mes ...
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Aposteriori error estimation for an augmented mixed-primal method applied to sedimentation–consolidation systems 

Álvarez Guadamuz, Mario Andrés; Gatica Pérez, Gabriel Nibaldo; Ruiz Baier, Ricardo (2018-08-15)
In this paper we develop the aposteriorierror analysis of an augmented mixed-primal finite element method for the 2D and 3D versions of a stationary flow and transport coupled system, typically encountered in sedimentati ...
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AuthorVárilly Boyle, Joseph C. (43)Gracia Bondía, José M. (29)Ruiz Baier, Ricardo (19)Sánchez Peña, Fabio Ariel (13)Calvo Alpízar, Juan Gabriel (12)Gómez Vargas, Bryan Andrés (12)Gatica Pérez, Gabriel Nibaldo (11)Álvarez Guadamuz, Mario Andrés (11)Antei, Marco (6)Barboza Chinchilla, Luis Alberto (6)... View MoreType
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Repositorio Institucional de la Universidad de Costa Rica. Algunos derechos reservados. Este repositorio funciona con DSpace.