• Artículo
      Icon

      On Filiform and 2-Filiform Leibniz Algebras of Maximum Length 

      Cabezas, J. M.; Camacho Santana, Luisa María; Rodríguez, I. M. (Heldermann Verlag, 2008)
      Leibniz algebras appear as a generalization of Lie algebras. The classification of naturally graded p-filiform Lie algebras ...
    • Artículo
      Icon

      On Generalized 3-Connectivity of the Strong Product of Graphs 

      Abajo Casado, María Encarnación; Moreno Casablanca, Rocío; Diánez Martínez, Ana Rosa; García Vázquez, Pedro (University of Belgrade, 2018)
      Let G be a connected graph with n vertices and let k be an integer such that 2 k n. The generalized connectivity ...
    • Artículo
      Icon

      On Hamiltonian alternating cycles and paths 

      Claverol, Mercé; García, Alfredo; Garijo Royo, Delia; Seara, Carlos; Tejel, Javier (Elsevier, 2018)
      We undertake a study on computing Hamiltonian alternating cycles and paths on bicolored point sets. This has been an ...
    • Artículo
      Icon

      On higher dimensional cocyclic Hadamard matrices 

      Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Frau García, María Dolores; Real Jurado, Pedro (2015)
      Provided that a cohomological model for G is known, we describe a method for constructing a basis for n-cocycles over G, ...
    • Ponencia
      Icon

      On Homotopy Continuation for Speech Restoration 

      Onchis, Darian M.; Real Jurado, Pedro (Springer, 2016)
      In this paper, a homotopy-based method is employed for the recovery of speech recordings from missing or corrupted samples ...
    • Artículo
      Icon

      On infinite outerplanar graphs 

      Boza Prieto, Luis; Diánez Martínez, Ana Rosa; Márquez Pérez, Alberto (Institute of Mathematics of the Czech Academy of Sciences, 1994)
      In this Note, we study infinite graphs with locally finite outerplane embeddings, given a characterization by forbidden subgraphs
    • Artículo
      Icon

      On Leibniz Superalgebras with Even Part Corresponding to sl2 

      Camacho Santana, Luisa María; Navarro, R. M. (Springer, 2021)
      In this paper we describe finite-dimensional complex Leibniz superalgebras whose even part is the simple Leibniz algebra ...
    • Artículo
      Icon

      On Naturally Graded Lie and Leibniz Superalgebras 

      Camacho Santana, Luisa María; Navarro, R. M.; Sánchez, J. M. (Springer, 2020)
      In general, the study of gradations has always represented a cornerstone in the study of non-associative algebras. In ...
    • Artículo
      Icon

      On new erosion models of Savage-Hutter type for avalanches 

      Bouchut, François; Fernández Nieto, Enrique Domingo; Mangeney, Anne; Lagreé, P.-Y. (Springer, 2008)
      In this work, we study the modeling of one-dimensional avalanche flows made of a moving layer over a static base, where ...
    • Artículo
      Icon

      On p-Compact Sets in Classical Banach Spaces 

      Delgado Sánchez, Juan Manuel; Piñeiro Gómez, Cándido (Hikari, 2014)
      Given p ≥ 1, we denote by Cp the class of all Banach spaces X satisfying the equality Kp(Y,X) = Πdp(Y,X) for every Banach ...
    • Artículo
      Icon

      On p-minimal homological models of twisted tensor products of elementary complexes localised over a prime 

      Armario Sampalo, José Andrés; Real Jurado, Pedro; Silva Gallardo, Beatriz (American Mathematical Society, 1999)
      In this paper, working over Z(p) and using algebra perturbation results from [18], p-minimal homological models of twisted ...
    • Artículo
      Icon

      On partitions with k corners not containing the staircase with one more corner 

      Briand, Emmanuel (Cornell University, 2020)
      We give three proofs of the following result conjectured by Carriegos, De Castro-Garc\'ıa and Muñoz Castañeda in their ...
    • Artículo
      Icon

      On partitions with K corners not containing the staircase with one more corner 

      Briand, Emmanuel (Elsevier, 2022)
      We give three proofs of the following result conjectured by Carriegos, De Castro-García and Muñoz Castañeda in their work ...
    • Artículo
      Icon

      On permanents of Sylvester Hadamard matrices 

      Armario Sampalo, José Andrés (Cornell University, 2013)
      It is well-known that the evaluation of the permanent of an arbitrary (−1, 1)- matrix is a formidable problem. Ryser’s ...
    • Artículo
      Icon

      On quasi-orthogonal cocycles 

      Armario Sampalo, José Andrés; Flannery, D. L. (Wiley, 2017)
      We introduce the notion of quasi-orthogonal cocycle. This is motivated in part by the maximal determinant problem for ...
    • Artículo
      Icon

      On Sedlacek's C-Graphs 

      Diánez Martínez, Ana Rosa; Márquez Pérez, Alberto (Societatea de Științe Matematice din România, 1993)
      In this Note, we study some properties of Sedlacek's C-graphs (see [3], [4] and [5]). In particular, we give new methods ...
    • Artículo
      Icon

      On Skew E–W Matrices 

      Armario Sampalo, José Andrés; Frau García, María Dolores (Wiley, 2016)
      An E–W matrix M is a ( − 1, 1)-matrix of order urn:x-wiley:10638539:media:jcd21519:jcd21519-math-0001, where t is a positive ...
    • Artículo
      Icon

      On Solvable Lie and Leibniz Superalgebras with maximal codimension of nilradical 

      Camacho Santana, Luisa María; Navarro, R. M.; Omirov, Bakhrom Abdazovich (Cornell University, 2020)
      Along this paper we show that under certain conditions the method for describing of solvable Lie and Leibniz algebras ...
    • Artículo
      Icon

      On solvable Lie and Leibniz superalgebras with maximal codimension of nilradical 

      Camacho Santana, Luisa María; Navarro, R. M.; Omirov, Bakhrom Abdazovich (Elsevier, 2022)
      Along this paper we show that under certain conditions the method for describing of solvable Lie and Leibniz algebras ...
    • Artículo
      Icon

      On some D-modules in dimension 2 

      Castro Jiménez, Francisco Jesús; Ucha Enríquez, José María (Cornell University, 2000)
      We prove a duality formula for two D-modules arising from logarithmic derivations w.r.t. a plane curve. As an application we give a differential proof of a logarithmic comparison theorem in [4].