Enviaments recents

  • The group inverse of subdivision networks 

    Carmona Mejías, Ángeles; Mitjana Riera, Margarida; Monsó Burgués, Enrique P.J. (2016-10)
    Article
    Accés restringit per política de l'editorial
    In this paper, given a network and a subdivision of it, we show how the Group Inverse of the subdivision network can be related to the Group Inverse of initial given network. Our approach establishes a relationship between ...
  • Functions and differentials on the non-split Cartan modular curve of level 11 

    Fernández González, Julio; González Rovira, Josep (2017-01-01)
    Article
    Accés obert
    The genus 4 modular curve Xns(11) attached to a non-split Cartan group of level 11 admits a model defined over Q. We compute generators for its function field in terms of Siegel modular functions. We also show that its ...
  • Rigidity of infinitesimal momentum maps 

    Miranda Galcerán, Eva; Esposito, Chiara (2016)
    Article
    Accés obert
    In this paper we prove rigidity theorems for Poisson Lie group actions on Poisson manifolds. In particular, we prove that close infinitesimal momentum maps associated to Poisson Lie group actions are equivalent using a ...
  • Multiplier ideals in two-dimensional local rings with rational singularities 

    Alberich Carramiñana, Maria; Álvarez Montaner, Josep; Dachs Cadefau, Ferran (2016)
    Article
    Accés restringit per política de l'editorial
    The aim of this paper is to study jumping numbers and multiplier ideals of any ideal in a two-dimensional local ring with a rational singularity. In particular we reveal which information encoded in a multiplier ideal ...
  • Arnold's mechanism of diffusion in the spatial circular restricted three-body problem: A semi-analytical argument 

    Delshams Valdés, Amadeu; Gidea, Marian; Roldán, Pablo (2016-11-01)
    Article
    Accés restringit per política de l'editorial
    We consider the spatial circular restricted three-body problem, on the motion of an infinitesimal body under the gravity of Sun and Earth. This can be described by a 3-degree of freedom Hamiltonian system. We fix an energy ...
  • Diseño y construcción de un prototipo de plataforma Stewart 

    Rossell Garriga, Josep Maria; Blanes Priego, Manel; Vicente Rodrigo, Jesús; Rubió Massegú, Josep; Palacios Quiñonero, Francisco (2016-06-08)
    Article
    Accés restringit per política de l'editorial
  • 30 anys del Seminari de Teoria de Nombres de Barcelona, STNB 2016 

    Alsina Aubach, Montserrat (Societat Catalana de Matemàtiques (SCM), 2016-07)
    Article
    Accés obert
    Realitzat a/amb:  Universitat de Barcelona
  • En record de Jacqueline (Jackie) Anne Stedall (1950-2014) 

    Massa Esteve, Maria Rosa (2015)
    Article
    Accés obert
  • Predictive control of irrigation canals - robust design and real-time implementation 

    Aguilar, Jose V.; Langarita, Pedro; Rodellar Benedé, José; Linares, Lorenzo; Horvath, Klaudia (2016-09-01)
    Article
    Accés obert
    Predictive control is one of the most commonly used control methods in a variety of application areas, including hydraulic processes such as water distribution canals for irrigation. This article presents the design and ...
  • Warp evidence in precessing galactic bar models 

    Sanchez Martin, P; Romero Gómez, Mercè; Masdemont Soler, Josep (EDP Sciences, 2016-04-01)
    Article
    Accés obert
    Most galaxies have a warped shape when they are seen edge-on. The reason for this curious form is not completely known so far, so in this work we apply dynamical system tools to contribute to its explanation. Starting from ...

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