Enviaments recents

  • Semiclassical quantification of some two degree of freedom potentials: A differential Galois approach 

    Acosta Humánez, Primitivo Belen; Lázaro Ochoa, José Tomás; Pantazi, Chara; Morales Ruiz, Juan José (2024-01-01)
    Article
    Accés obert
    In this work we explain the relevance of the Differential Galois Theory in the semiclassical (or WKB) quantification of some two degree of freedom potentials. The key point is that the semiclassical path integral quantification ...
  • Dynamic analysis of Europa Probe considering J2 perturbation of Jupiter 

    Huang, Xuxing; Masdemont Soler, Josep; Li, Shuang (American Institute of Aeronautics and Astronautics, 2024-01-01)
    Article
    Accés obert
  • Marked graphs and the chromatic symmetric function 

    Aliste Prieto, José; Mier Vinué, Anna de; Orellana, Rosa; Zamora Ponce, José (2023-09-30)
    Article
    Accés obert
    The main result of this paper is the introduction of marked graphs and the marked graph polynomials ( -polynomial) associated with them. These polynomials can be defined via a deletion-contraction operation. These polynomials ...
  • On the metric representation of the vertices of a graph 

    Mora Giné, Mercè; Puertas González, María Luz (2023-09-12)
    Article
    Accés restringit per política de l'editorial
    The metric representation of a vertex u in a connected graph G respect to an ordered vertex subset is the vector of distances . A vertex subset W is a resolving set of G if , for every with . Thus, a resolving set with n ...
  • Identifiability in robust estimation of tree structured models 

    Casanellas Rius, Marta; Garrote López, Marina; Zwiernik, Piotr (2024-02-01)
    Article
    Accés restringit per política de l'editorial
    Consider the problem of learning undirected graphical models on trees from corrupted data. Recently Katiyar, Shah, and Caramanis showed that it is possible to recover trees from noisy binary data up to a small equivalence ...
  • New slope inequalities for families of complete intersections 

    Barja Yáñez, Miguel Ángel; Stoppino, Lidia (2024-01-01)
    Article
    Accés obert
    We prove f-positivity of Ox (1) for arbitrary dimensional fibrations over curves f:X¿B whose general fibre is a complete intersection. In the special case where the family is a global complete intersection, we prove numerical ...
  • Bipartite secret sharing and staircases 

    Csirmaz, Laszlo; Matús, Frantisek; Padró Laimon, Carles (Elsevier, 2024-05-01)
    Article
    Accés obert
    Bipartite secret sharing schemes have a bipartite access structure in which the set of participants is divided into two parts and all participants in the same part play an equivalent role. Such a bipartite scheme can be ...
  • Speeding up random walk mixing by starting from a uniform vertex 

    Espuny Díaz, Alberto; Morris, Patrick; Perarnau Llobet, Guillem; Serra Albó, Oriol (Project Euclid, 2024-01-01)
    Article
    Accés obert
    The theory of rapid mixing random walks plays a fundamental role in the study of modern randomised algorithms. Usually, the mixing time is measured with respect to the worst initial position. It is well known that the ...
  • Existence and symmetry of periodic nonlocal-CMC surfaces via variational methods 

    Cabré Vilagut, Xavier; Csató, Gyula; Mas Blesa, Albert (De Gruyter, 2023-10-05)
    Article
    Accés restringit per política de l'editorial
    This paper provides the first variational proof of the existence of periodic nonlocal-CMC surfaces. These are nonlocal analogues of the classical Delaunay cylinders. More precisely, we show the existence of a set in Rn ...
  • A Weierstrass extremal field theory for the fractional Laplacian 

    Cabré Vilagut, Xavier; Urtiaga Erneta, Iñigo; Felipe Navarro, Juan Carlos (De Gruyter, 2023-10-27)
    Article
    Accés restringit per política de l'editorial
    In this paper, we extend, for the first time, part of the Weierstrass extremal field theory in the Calculus of Variations to a nonlocal framework. Our model case is the energy functional for the fractional Laplacian (the ...
  • On additive MDS codes with linear projections 

    Adriaensen, Sam; Ball, Simeon Michael (Elsevier, 2023-10-01)
    Article
    Accés obert
    We support some evidence that a long additive MDS code over a finite field must be equivalent to a linear code. More precisely, let C be an -linear MDS code over . If , , , and C has three coordinates from which its ...
  • The diameter of the directed configuration model 

    Cai, Xing Shi; Perarnau Llobet, Guillem (2023-02-01)
    Article
    Accés obert
    We show that the diameter of the directed configuration model with n vertices rescaled by log n converges in probability to a constant. Our assumptions are the convergence of the in- and out-degree of a uniform random ...

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