Ara es mostren els items 11-30 de 39

    • Fonaments de la matemàtica. Resums, exercicis i problemes 

      Martí Farré, Jaume; Mora Giné, Mercè; Muñoz Lecanda, Miguel Carlos (Universitat Politècnica de Catalunya, 2014)
      Problema, exercici
      Accés obert
    • Geometric approach to Pontryagin's Maximum Principle 

      Barbero Liñán, María; Muñoz Lecanda, Miguel Carlos (Springer Netherlands, 2008-10)
      Article
      Accés obert
      Since the second half of the 20th century, Pontryagin’s Maximum Principle has been widely discussed and used as a method to solve optimal control problems in medicine, robotics, finance, engineering, astronomy. Here, we ...
    • Geometric Hamilton-Jacobi theory for nonholonomic dynamical systems 

      Cariñena, José F.; Gràcia Sabaté, Francesc Xavier; Marmo, Giuseppe; Martínez, Eduardo; Muñoz Lecanda, Miguel Carlos; Román Roy, Narciso (2009-08-14)
      Report de recerca
      Accés obert
      The geometric formulation of Hamilton--Jacobi theory for systems with nonholonomic constraints is developed, following the ideas of the authors in previous papers. The relation between the solutions of the Hamilton--Jacobi ...
    • Geometric Hamilton–Jacobi Theory 

      Cariñena, José F.; Gràcia Sabaté, Francesc Xavier; Marmo, Giuseppe; Martínez, Eduardo; Muñoz Lecanda, Miguel Carlos; Román Roy, Narciso (2006-04-21)
      Article
      Accés obert
      The Hamilton–Jacobi problem is revisited bearing in mind the consequences arising from a possible bi-Hamiltonian structure. The problem is formulated on the tangent bundle for Lagrangian systems in order to avoid the bias ...
    • Global controllability tests for geometric hybrid control systems 

      Barberó Liñan, María; Cortés, Jorge; Martín de Diego, David; Martínez, Sonia; Muñoz Lecanda, Miguel Carlos (2020-11-01)
      Article
      Accés obert
      This paper introduces a novel geometric framework to define and study hybrid systems. We exploit the geometry and topology of the set of jump points, where the instantaneous change of dynamics takes place, in order to gain ...
    • Hamilton-Jacobi theory and the evolution operator 

      Cariñena Marzo, José Fernando; Gràcia Sabaté, Francesc Xavier; Martínez Fernández, Eduardo; Marmo, Giuseppe; Muñoz Lecanda, Miguel Carlos; Román Roy, Narciso (Universidad de Zaragoza, Prensas Universitarias de Zaragoza, 2009)
      Capítol de llibre
      Accés obert
      We present a new setting of the geometric Hamilton-Jacobi theory by using the so-called time-evolution operator K. This new approach unifies both the Lagrangian and the Hamiltonian formulation of the problem developed in ...
    • Hamilton-Jacobi theory and the evolution operator 

      Cariñena, José F.; Gràcia Sabaté, Francesc Xavier; Martínez, Eduardo; Marmo, Giuseppe; Muñoz Lecanda, Miguel Carlos; Román Roy, Narciso (Prensas Univ. Zaragoza, 2009-04)
      Capítol de llibre
      Accés obert
      We present a new setting of the geometric Hamilton-Jacobi theory by using the so-called time-evolution operator K. This new approach unifies both the Lagrangian and the Hamiltonian formulation of the problem developed in ...
    • Hamiltonian Systems in Multisymplectic Field Theories 

      Echeverría Enríquez, Arturo; León, Manuel de; Muñoz Lecanda, Miguel Carlos; Román Roy, Narciso (2005-06-20)
      Article
      Accés obert
      We consider Hamiltonian systems in first-order multisymplectic field theories. First we review the construction and properties of Hamiltonian systems in the so-called restricted multimomentum bundle using Hamiltonian ...
    • Higher-order contact mechanics 

      De León, Manuel; Gaset Rifà, Jordi; Lainz Valcázar, Manuel; Muñoz Lecanda, Miguel Carlos; Román Roy, Narciso (Elsevier, 2021-02-01)
      Article
      Accés obert
      We present a complete theory of higher-order autonomous contact mechanics, which allows us to describe higher-order dynamical systems with dissipation. The essential tools for the theory are the extended higher-order tangent ...
    • Hilbert, un matemático para la eternidad 

      Muñoz Lecanda, Miguel Carlos (2017-09-27)
      Audiovisual
      Accés obert
      La FME dedica este curso 2017-18 al matemático David Hilbert, 1862-1943. En esta exposición inicial se comienza presentando su vida, tanto personal como académica, así como aquellos rasgos de su personalidad humana que le ...
    • Infinitesimal time reparametrisation and its applications 

      Cariñena Marzo, José Fernando; Martínez Fernandez, Eduardo; Muñoz Lecanda, Miguel Carlos (Springer, 2022-02-21)
      Article
      Accés obert
      A geometric approach to Sundman infnitesimal time-reparametrisation is given and some of its applications are used to illustrate the general theory. Special emphasis is put on geodesic motions and systems described by ...
    • Kinematic reduction and the Hamilton-Jacobi equation 

      Barbero Liñán, María; De León, Manuel; Martin de Diego, David; Marrero, Juan Carlos; Muñoz Lecanda, Miguel Carlos (American Institute of Mathematical Sciences, 2012)
      Article
      Accés obert
      A close relationship between the classical Hamilton- Jacobi theory and the kinematic reduction of control systems by decoupling vector fields is shown in this paper. The geometric interpretation of this relationship ...
    • Maryam Mirzakhani, una llum que mai no s’apagarà 

      Miranda Galcerán, Eva; Muñoz Lecanda, Miguel Carlos (Societat Catalana de Matemàtiques (SCM), 2017-12-31)
      Article
      Accés obert
    • Multicontact formulation for non-conservative field theories 

      de León Rodríguez, Manuel; Gaset Rifà, Jordi; Muñoz Lecanda, Miguel Carlos; Rivas Guijarro, Xavier; Román Roy, Narciso (Institute of Physics (IOP), 2023-01-13)
      Article
      Accés obert
      A new geometric structure inspired by multisymplectic and contact geometries, which we call multicontact structure, is developed to describe non-conservative classical field theories. Using the differential forms that ...
    • New contributions to the Hamiltonian and Lagrangian contact formalisms for dissipative mechanical systems and their symmetries 

      Gaset Rifà, Jordi; Gràcia Sabaté, Francesc Xavier; Muñoz Lecanda, Miguel Carlos; Rivas Guijarro, Xavier; Román Roy, Narciso (2020-06-01)
      Article
      Accés obert
      We provide new insights into the contact Hamiltonian and Lagrangian formulations of dissipative mechanical systems. In particular, we state a new form of the contact dynamical equations, and we review two recently presented ...
    • On some aspects of the geometry of non integrable distributions and applications 

      Muñoz Lecanda, Miguel Carlos (American Institute of Mathematical Sciences, 2018-12-01)
      Article
      Accés obert
      We consider a regular distribution D in a Riemannian manifold (M, g). The LeviCivita connection on (M, g) together with the orthogonal projection allow to endow the space of sections of D with a natural covariant derivative, ...
    • Optimal control problems for affine connection control systems: characterization of extremals 

      Barbero Liñán, María; Muñoz Lecanda, Miguel Carlos (American Institute of Physics, 2008-02)
      Text en actes de congrés
      Accés obert
      Pontryagin’s Maximum Principle [8] is considered as an outstanding achievement of optimal control theory. This Principle does not give sufficient conditions to compute an optimal trajectory; it only provides necessary ...
    • Optimal control, contact dynamics and Herglotz variational problem 

      de León Rodríguez, Manuel; Lainz Valcázar, Manuel; Muñoz Lecanda, Miguel Carlos (Springer Nature, 2022-11-11)
      Article
      Accés obert
      In this paper, we combine two main topics in mechanics and optimal control theory: contact Hamiltonian systems and Pontryagin maximum principle. As an important result, among others, we develop a contact Pontryagin maximum ...
    • Origen y desarrollo histórico del cálculo infinitesimal 

      Muñoz Lecanda, Miguel Carlos; Román Roy, Narciso (Edicions UPC, 1999)
      Llibre
      Accés restringit a la comunitat UPC
      Esta obra intenta dar una visión de la evolución histórica del cálculo infinitesimal: Los problemas originales en el siglo XVII, la aportación realizada por Newton y Leibnitz que consistió fundamentalmente en efectuar una ...
    • Remarks on multisymplectic reduction 

      Echeverría Enríquez, Arturo; Muñoz Lecanda, Miguel Carlos; Román Roy, Narciso (2018-06-01)
      Article
      Accés obert
      The problem of reduction of multisymplectic manifolds by the action of Lie groups is stated and discussed, as a previous step to give a fully covariant scheme of reduction for classical field theories with symmetries.