Now showing items 1-20 of 89

    • A black-box model for neurons 

      Roqueiro, Nestor; Claumann, Carlos; Guillamon Grabolosa, Antoni; Fossas Colet, Enric (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference lecture
      Open Access
      We explore the identification of neuronal voltage traces by artificial neural networks based on wavelets (Wavenet). More precisely, we apply a modification in the representation of dynamical systems by Wavenet which decreases ...
    • A characterization of isochronous centres in terms of symmetries 

      Freire, Emilio; Gasull Embid, Armengol; Guillamon Grabolosa, Antoni (2000)
      Article
      Open Access
      We present a description of isochronous centres of planar vector fields $X$ by means of their groups of symmetries. More precisely, given a normalizer $U$ of $X$ (i.e., $[X,U]=\mu X$, where $\mu$ is a scalar function), we ...
    • A computational and geometric approach to phase resetting curves and surfaces 

      Guillamon Grabolosa, Antoni; Huguet Casades, Gemma (2009)
      Article
      Open Access
    • A drone based system for surveillance applications in coastal zone 

      Cantero, Adrián; Gallego, David; López, Pedro; Molina, Rafael; Sánchez, Gonzalo; Sueldo, Agustín; Guerrero, Antonio; Guillamon Grabolosa, Antoni (SARTI, 2015)
      Article
      Open Access
      This paper introduces an unmanned aircraft vehicle (multicopter) for coastal applications. This vehicle has surveillance purposes, and it is configured with routes in such a way that the vehicle is capable of displaying ...
    • A pseudo-normal form for planar vector fields 

      Delshams Valdés, Amadeu; Guillamon Grabolosa, Antoni; Lázaro Ochoa, José Tomás (2001)
      Article
      Open Access
    • aCTeX: Autoaprenentatge científico-tècnic en xarxa 

      Guillamon Grabolosa, Antoni; Ferrer, Albert (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2007-06-28)
      Conference report
      Open Access
      aCTeX és una aplicació web que genera dinàmicament llistats de preguntes tipus test, amb la particularitat que admet expressions matemàtiques introduïdes en llenguatge LaTeX a la base de dades. L’aplicació executa la ...
    • An analytic-numerical method of computation of the Liapunov and period constants derived from their algebraic structure 

      Gasull Embid, Armengol; Guillamon Grabolosa, Antoni; Mañosa Fernández, Víctor (1996)
      Article
      Open Access
      We consider the problem of computing the Liapunov and the period constants for a smooth differential equation with a non degenerate critical point. First, we investigate the structure of both constants when they are ...
    • An explicit expression of the first Liapunov and period constants with applications 

      Gasull Embid, Armengol; Guillamon Grabolosa, Antoni; Mañosa Fernández, Víctor (1996)
      Article
      Open Access
      In this paper, we study systems in the plane having a critical point with pure imaginary eigenvalues, and we search for effective conditions to discern whether this critical point is a focus or a center; in the case of it ...
    • Bifurcation gaps in asymmetric and high-dimensional hypercycles 

      Puig, Júlia; Farre, Gerard; Guillamon Grabolosa, Antoni; Fontich Julia, Ernest; Sardanyes, Josep (2018-01-01)
      Article
      Open Access
      Hypercycles are catalytic systems with cyclic architecture. These systems have been suggested to play a key role in the maintenance and increase of information in prebiotic replicators. It is known that for a large enough ...
    • Bifurcations analysis of oscillating hypercycles 

      Guillamon Grabolosa, Antoni; Fontich, Ernest; Sardañés, Josep (2015-12-21)
      Article
      Open Access
      We investigate the dynamics and transitions to extinction of hypercycles governed by periodic orbits. For a large enough number of hypercycle species (n > 4) the existence of a stable periodic orbit has been previously ...
    • Canards, folded nodes and mixed-mode oscillations in piecewise-linear slow-fast systems 

      Desroches, Mathieu; Guillamon Grabolosa, Antoni; Ponce Núñez, Enrique; Prohens Sastre, Rafel; Rodrigues, Serafim; Teruel, Antonio E. (2016-11-03)
      Article
      Open Access
      Canard-induced phenomena have been extensively studied in the last three decades, from both the mathematical and the application viewpoints. Canards in slow-fast systems with (at least) two slow variables, especially near ...
    • CÀLCUL (1r quadrimestre) 

      Guillamon Grabolosa, Antoni (Universitat Politècnica de Catalunya, 2013-10-02)
      Exam
      Restricted access to the UPC academic community
    • CÀLCUL (1r quadrimestre) 

      Guillamon Grabolosa, Antoni (Universitat Politècnica de Catalunya, 2013-01-16)
      Exam
      Restricted access to the UPC academic community
    • CÀLCUL (1r quadrimestre) 

      Guillamon Grabolosa, Antoni (Universitat Politècnica de Catalunya, 2013-10-29)
      Exam
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    • CÀLCUL (1r quadrimestre) 

      Guillamon Grabolosa, Antoni (Universitat Politècnica de Catalunya, 2014-12-02)
      Exam
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    • CÀLCUL (1r quadrimestre) 

      Guillamon Grabolosa, Antoni (Universitat Politècnica de Catalunya, 2014-11-18)
      Exam
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    • CÀLCUL (1r quadrimestre) 

      Guillamon Grabolosa, Antoni (Universitat Politècnica de Catalunya, 2011-11-30)
      Exam
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    • CÀLCUL (1r quadrimestre) 

      Guillamon Grabolosa, Antoni (Universitat Politècnica de Catalunya, 2012-01-13)
      Exam
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    • CÀLCUL (1r quadrimestre) 

      Guillamon Grabolosa, Antoni (Universitat Politècnica de Catalunya, 2013-12-04)
      Exam
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    • CÀLCUL (1r quadrimestre) 

      Guillamon Grabolosa, Antoni (Universitat Politècnica de Catalunya, 2011-12-20)
      Exam
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