Now showing items 1-20 of 43

    • A sufficient condition for Lipschitz stability of controlled Invariant subspaces 

      Peña Carrera, Marta; Puerta Sales, Ferran; Puerta Coll, Xavier (2009-12)
      Article
      Restricted access - publisher's policy
      Given a pair of matrices (A,B) we study the Lipschitz stability of its controlled invariant subspaces. A sufficient condition is derived from the geometry of the set formed by the quadruples (A,B, F, S) where S is ...
    • Benvinguda - Parlaments 

      Torres Torres, Francisco; López Álvarez, David; Peña Carrera, Marta; Navarro, Arcadi; Rodellar Benedé, José (2018-04-10)
      Audiovisual
      Open Access
    • Bifurcation diagram for saddle/source bimodal linear dynamical systems 

      Peña Carrera, Marta; Ferrer Llop, Josep; Susín Sánchez, Antonio (2016)
      Article
      Open Access
      We continue the study of the structural stability and the bifurcations of planar bimodal linear dynamical systems (BLDS) (that is, systems consisting of two linear dynamics acting on each side of a straight line, assuming ...
    • Bifurcation diagram of Saddle/Spiral bimodal linear systems 

      Ferrer Llop, Josep; Peña Carrera, Marta; Susín Sánchez, Antonio (2017-01-01)
      Article
      Open Access
      We complete the study of the bifurcations of saddle/spiral bimodal linear systems, depending on the respective traces T and t: one 2-codimensional bifurcation; four kinds of 1-codimensional bifurcations. We stratify the ...
    • Codimension-3 bifurcation for continuous saddle bimodal linear dynamical systems 

      Ferrer Llop, Josep; Peña Carrera, Marta; Susín Sánchez, Antonio (2018-02-01)
      Article
      Open Access
      We continue the study of the structural stability and the bifurcations of planar continuous bimodal linear dynamical systems (that is, systems consisting of two linear dynamics acting on each side of a straight line, ...
    • Contextualització de les matemàtiques en les carreres tecnològiques de la Universitat Politècnica de Catalunya 

      Peña Carrera, Marta (Societat Catalana de Matemàtiques (SCM), 2018-07-01)
      Article
      Open Access
    • Contextualizar las matemáticas también en la universidad 

      Peña Carrera, Marta (2018-07-01)
      Article
      Open Access
    • Controllability of continuous bimodal linear systems 

      Ferrer Llop, Josep; Pacha Andújar, Juan Ramón; Peña Carrera, Marta (2013-05-01)
      Article
      Open Access
      We consider bimodal linear systems consisting of two linear dynamics acting on each side of a given hyperplane, assuming continuity along the separating hyperplane. We prove that the study of controllability can be reduced ...
    • Deformaciones miniversales de parejas de tensores de segundo orden 

      Clotet Juan, Josep; Magret Planas, Maria dels Dolors; Peña Carrera, Marta (Universidad de Sevilla, 2007-09)
      Conference report
      Open Access
      Consideramos en el espacio de parejas de tensores tension y deformacion la relacion de equivalencia que se corresponde con cambios de base ortonormales. Identificandolas con parejas de matrices cuadradas, podemos utilizar ...
    • Differentiable families of planar bimodal linear control systems 

      Ferrer Llop, Josep; Magret Planas, Maria dels Dolors; Peña Carrera, Marta (2014-06)
      Article
      Open Access
      We consider bimodal linear control systems consisting of two subsystems acting on each side of a given hyperplane, assuming continuity along it. For a differentiable family of planar bimodal linear control systems, we ...
    • Differentiable families of stabilizers for planar bimodal linear control systems 

      Ferrer Llop, Josep; Magret Planas, Maria dels Dolors; Peña Carrera, Marta (American Institute of Physics (AIP), 2013)
      Conference report
      Open Access
      We consider bimodal linear control systems consisting of two subsystems acting on each side of a given hyperplane, assuming continuity along the separating hyperplane. For a differentiable family of controllable planar ...
    • Dimension of the orbit of marked subspaces 

      Compta Creus, Albert; Ferrer Llop, Josep; Peña Carrera, Marta (2004)
      Article
      Open Access
      Given a nilpotent endomorphism, we consider the manifold of invariant subspaces having a fixed Segre characteristic. In [Linear Algebra Appl., 332–334 (2001) 569], the implicit form of a miniversal deformation of an ...
    • Effectiveness of blended instructional design based on active learning in a graphic engineering course 

      Olmedo Torre, Noelia; Martínez Martínez, María; Peña Carrera, Marta (2020-09-22)
      Article
      Restricted access - publisher's policy
      Encouraging the use of active-learning methodologies, both inside and outside the classroom by means of planned activities, is a key factor in effective learning, as well as being essential for students to achieve the goals ...
    • Flipped learning and threshold concepts in the Turbomachinery section of Fluid Engineering course 

      Gámez Montero, Pedro Javier; Peña Carrera, Marta; Olmedo Torre, Noelia (2020-06-09)
      Article
      Restricted access - publisher's policy
      This paper outlines a practical intervention aiming to collect the effects of introducing flexible learning in engineering higher education. The work dis- cusses the implementation of the flipped classroom method and the ...
    • Geometric structure of single/combined equivalence classes of a controllable pair 

      Compta Creus, Albert; Ferrer Llop, Josep; Peña Carrera, Marta (2011-11)
      Article
      Open Access
      Given a pair of matrices representing a controllable linear system, its equivalence classes by the single or combined action of feedbacks, change of state and input variables, as well as their intersection are studied. ...
    • Geometric structure of the equivalence classes of a controllable pair 

      Peña Carrera, Marta; Compta Creus, Albert; Ferrer Llop, Josep (2010)
      Conference lecture
      Open Access
      Given a pair of matrices representing a controllable linear system, we study its equivalence classes by the single or combined action of feedbacks and change of state and input variables, as well as their intersections. ...
    • Learning automation to teach mathematics 

      Ferrer Llop, Josep; Peña Carrera, Marta; Ortiz Caraballo, Carmen (InTech, 2012-07)
      Part of book or chapter of book
      Open Access
    • Learning engineering to teach mathematics 

      Ferrer Llop, Josep; Peña Carrera, Marta; Ortiz, Carmen (2010)
      Conference report
      Open Access
      The Bologna process is a good opportunity to bring together first-year mathematics courses of engineering degrees and technology courses offered in subsequent years. In fact, the Faculty Council has decided that 20% ...
    • Local differentiable pole assignment 

      Compta Creus, Albert; Ferrer Llop, Josep; Peña Carrera, Marta (Taylor & Francis, 2010)
      Article
      Open Access
      Given a general local differentiable family of pairs of matrices, we obtain a local differentiable family of feedbacks solving the pole assignment problem, that is to say, shifting the spectrum into a prefixed one. We ...
    • Mentoring female high school students for a STEM career 

      Olmedo Torre, Noelia; Peña Carrera, Marta; López Beltrán, Mireia; Sanz Gómez, M. Carmen; López, David (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      This Innovative Practice Work in Progress Paper presents a pilot test designed to train university students of engineering degrees (mentors) to advise and guide students aged between 15 and 16 (mentees) in technological ...