Recent Submissions

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    Witness-Bar Visibility Graphs 

    Cortés Parejo, María del Carmen; Hurtado, Ferrán; Márquez Pérez, Alberto; Valenzuela Muñoz, Jesús (Instituto de Matemáticas de la UNAM, 2013)
    Bar visibility graphs were introduced in the seventies as a model for some VLSI layout problems. They have been also ...
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    Separación y clasificación de puntos rojos y azules 

    Garijo Royo, Delia; Márquez Pérez, Alberto; Mitchell, Joseph S. B.; Seara, Carlos (Universidad de Valladolid, 2007)
    En este trabajo estudiamos el problema de determinar si dos conjuntos disjuntos de n puntos en el plano son separables ...
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    Multiple Objective TSP based on ACO 

    Cardoso, Pedro; Jesus, Mário; Márquez Pérez, Alberto (Universidad de Almería, 2003)
    In this paper we present an Ant Colony Optimisation based algorithm to determine the Pareto set for the Multiple Objective Travelling Salesman Problem. Our results are then compared with the ones obtained with a genetic algorithm.
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    Multiple criteria minimum spanning trees 

    Cardoso, Pedro; Jesus, Mário; Márquez Pérez, Alberto (Universidad de Cantabria, 2005)
    The NP multiple criteria minimum spanning tree as several applications into the network design problems. In this paper, ...
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    MONACO - Multi-Objective Network Optimisation Based on an ACO 

    Cardoso, Pedro; Jesus, Mário; Márquez Pérez, Alberto (Universidad de Sevilla, 2003)
    The Ant Colony Optimisation Algorithm (ACO) supports the development of a system for a multi-objective network ...
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    Differential evolution in shortest path problems 

    Guerreiro, Pedro; Jesus, Mário; Márquez Pérez, Alberto (Universidad de Almería, 2011)
    This paper proves that the Di erential Evolution (DE) algorithm is valid to solve the Shortest Path (SP) problem in random, median sized networks. From the trials, we have obtained an 9% accuracy, in the worst case scenario.
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    A framework for digital topology 

    Domínguez, E.; Francés, A. R.; Márquez Pérez, Alberto (IEEE Computer Society, 1993)
    The main goal of this paper is to show the functional architecture of a framework for digital topology. This architecture ...
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    Some Geophysical Applications with Finite Volume Solvers of Two-Layer and Two-Phase Systems 

    Fernández Nieto, Enrique Domingo (Springer, 2017)
    There exists in the literature a huge range of geophysical applications that have been modeled trough two-layer or two-phase ...
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    Snell’s law in an isoperimetric setting 

    Cañete Martín, Antonio Jesús (American Institute of Physics, 2010)
    In this work we focus on the isoperimetric problem in R2 endowed with a piecewise constant density. We will see that the ...
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    Regiones estables e isoperimétricas en variedades con densidad 

    Cañete Martín, Antonio Jesús (Real Sociedad Matemática Española, 2013)
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    Least-perimeter partitions of the disk 

    Cañete Martín, Antonio Jesús (Real Sociedad Matemática Española, 2004)
    In this work we study the isoperimetric problem of partitioning a planar disk into n regions of prescribed areas using ...
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    The chamber complex for the Littlewood-Richardson coefficients of GL4 

    Briand, Emmanuel; Rosas Celis, Mercedes Helena; Trandafir, Stefan (Universidad de Sevilla, 2020)
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    Brill's equations of the subvariety of the products of linear forms 

    Briand, Emmanuel (Universidad de Cantabria, 2004)
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    Diameter of a set on the cylinder 

    Cobos, F.J.; Dana Jiménez, Juan Carlos; Grima Ruiz, Clara Isabel; Márquez Pérez, Alberto (Queen's University, 1997)
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    the width of a convex set on the sphere 

    Cobos, F.J.; Dana Jiménez, Juan Carlos; Grima Ruiz, Clara Isabel; Márquez Pérez, Alberto (Queen's University, 1997)
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    Técnicas cuánticas para la evolución de grafos aleatorios 

    Fernández Borja, Enrique; Grima Ruiz, Clara Isabel; Márquez Pérez, Alberto; Zambrano, Reyes (Instituto de Matemáticas de la UNAM, 2015)
    Con la idea de modelar el comportamiento de diversas redes sociales a lo largo del tiempo, mostramos algunos resultados ...
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    Spanners in l1 

    Cáceres, J.; Grima Ruiz, Clara Isabel; Márquez Pérez, Alberto; Moreno González, A. (University of Fredericton, 2000)
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    On some partitioning problems for two-colored point sets 

    Grima Ruiz, Clara Isabel; Hernando Martín, Carmen; Huemer, Clemens; Hurtado Díaz, Ferran (Prensas de la Universidad de Zaragoza, 2009)
    Let S be a two-colored set of n points in general position in the plane. We show that S admits at least 2 n 17 ...
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    Motion Planning and Visibility Problems using the Polar Diagram 

    Grima Ruiz, Clara Isabel; Márquez Pérez, Alberto; Ortega, L. (European Association for Computer Graphics, 2003)
    Motion planning and visibility problems are some of the most important topics studied in Computer Graphics, Computational ...
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    More results about spanners in the l1-metric 

    Cáceres, J.; Grima Ruiz, Clara Isabel; Márquez Pérez, Alberto; Moreno González, A. (Universidad de Sevilla, 2003)
    In this work we study more questions about spanners in the l1-metric. Concretely, we will see that adding some Steiner ...

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