Recent Submissions

  • Minor loops of the Dahl and LuGre models 

    Ikhouane, Fayçal; Mañosa Fernández, Víctor; Pujol Vázquez, Gisela (2018-12-01)
    External research report
    Open Access
    Hysteresis is a special type of behavior encountered in physical systems: in a hysteretic system, when the input is periodic and varies slowly, the steady-state part of the output-versus-input graph becomes a loop called ...
  • Up-to-homotopy algebras with strict units 

    Roig Martí, Agustín (2018-12-20)
    External research report
    Open Access
    We prove the existence of minimal models à la Sullivan for operads with non trivial arity zero. So up-to-homotopy algebras with strict units are just operad algebras over these minimal models. As an application we give ...
  • The group inverse of extended symmetric and periodic Jacobi matrices 

    Gago Álvarez, Silvia (2016-02-02)
    External research report
    Open Access
    In this work, we explicitly compute the group inverse of symmetric and periodic Jacobi matrices with constant elements that have been extended by adding a row and a column conveniently de ned. For this purpose, we interpret ...
  • Periodic orbits of discrete and continuous dynamical systems via Poincaré-Miranda theorem 

    Gasull Embid, Armengol; Mañosa Fernández, Víctor (2018-09-17)
    External research report
    Open Access
    We present a systematic methodology to determine and locate analytically isolated periodic points of discrete and continuous dynamical systems with algebraic nature. We apply this method to a wide range of examples, including ...
  • Group inverse of the laplacian of connections of networks 

    Gago Álvarez, Silvia (2018-03-25)
    External research report
    Restricted access - publisher's policy
    In previous works the group inverse of a network obtained by some perturbations, as the deletion of a vertex, the addition of a new vertex, contraction of an edge, etc. is obtained in terms of the group inverse of the ...
  • Neighbor-locating colorings in graphs 

    Hernando Martín, María del Carmen; Mora Giné, Mercè; Pelayo Melero, Ignacio Manuel; Alcón, Liliana; Gutierrez, Marisa (2018-06-29)
    External research report
    Open Access
    A k -coloring of a graph G is a k -partition ¿ = { S 1 ,...,S k } of V ( G ) into independent sets, called colors . A k -coloring is called neighbor-locating if for every pair of vertices u,v belonging to the same color S ...
  • Contact structures with singularities 

    Miranda Galcerán, Eva; Oms, Cédric (2018-06-15)
    External research report
    Open Access
    We study singular contact structures, which are tangent to a given smooth hypersurface Z and satisfy certain transversality conditions. These singular contact structures are determined by the kernel of non-smooth differential ...
  • TEC Parametric Model validation and Approach to GNSS operational conditions 

    González Casado, Guillermo (2017-05-10)
    External research report
    Open Access
  • A route to chaos in the Boros-Moll map 

    Gardini, Laura; Mañosa Fernández, Víctor; Sushko, Iryna (2018-04-18)
    External research report
    Open Access
    The Boros-Moll map appears as a subsystem of a Landen transformation associated to certain rational integrals and its dynamics is related to the convergence of them. In the paper, we study the dynamics of a one-parameter ...
  • Open problems, questions, and challenges in finite-dimensional integrable systems 

    Miranda Galcerán, Eva; Bolsinov, Alexey; Matveev, Vladimir; Tabachnikov, Sergei (2018-04-11)
    External research report
    Open Access
    The paper surveys open problems and questions related to different aspects of integrable systems with finitely many degrees of freedom. Many of the open problems were suggested by the participants of the conference ...
  • Report on the EGNSS competition after Y2 

    Sanz Subirana, Jaume; Juan Zornoza, José Miguel; Alonso Alonso, María Teresa; Povero, Gabriella (2017-05-21)
    External research report
    Restricted access - author's decision
  • The geometry of E-manifolds 

    Miranda Galcerán, Eva (2018-02-09)
    External research report
    Open Access
    Motivated by the study of symplectic Lie algebroids, we study a describe a type of algebroid (called an E-tangent bundle) which is particularly well-suited to study of singular differential forms and their cohomology. ...

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