Browsing Algebra by Title 

Browsing Algebra by Title

Now showing items 97-116 of 305

    • Article
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      Explicit calculations in rings of differential operators 

      Castro Jiménez, Francisco Jesús; Granger, Michel (Société Mathématique de France, 2004)
      We use the notion of a standard basis to study algebras of linear differential operators and finite type modules over ...
    • Article
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      Explicit local multiplicative convolution of ℓ-adic sheaves 

      Rojas León, Antonio (European Mathematical Society, 2018)
      We give explicit formulas for the local multiplicative convolution functors, which express the local monodromies of the ...
    • Article
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      Explicit models for perverse sheaves 

      Gudiel Rodríguez, Félix; Narváez Macarro, Luis (European Mathematical Society, 2003)
      We consider categories of generalized perverse sheaves, with relaxed constructibility conditions, by means of the process ...
    • Article
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      Exponential growth of rank jumps for A-hypergeometric systems 

      Fernández Fernández, María Cruz (European Mathematical Society, 2013)
      The dimension of the space of holomorphic solutions at nonsingular points (also called the holonomic rank) of a ...
    • Article
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      Exponents of Some One-Dimensional Gauss–Manin Systems 

      Castaño Domínguez, Alberto (European Mathematical Society Publishing House, 2017-07-03)
      In this paper we provide a purely algebraic characterization of the exponents of one-dimensional direct images of a structure ...
    • Article
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      Extending a valuation centered in a local domain to the formal completion 

      Herrera Govantes, Francisco Javier; Olalla Acosta, Miguel Ángel; Spivakovsky, Mark; Teissier, Bernard (London Mathematical Society, 2012-09)
      Let (R; m; k) be a local noetherian domain with field of fractions K and R_v a valuation ring, dominating R (not necessarily ...
    • PhD Thesis
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      Una extensión de métodos algebraicos a la teoría de modelos 

      Fernández Margarit, Alejandro (1983-07-02)
      La idea central de este trabajo consiste en la introducción del concepto de cociente en la teoría de modelos. La construcción ...
    • Article
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      Extreme Khovanov spectra 

      Cantero Morán, Federico; Silvero Casanova, Marithania (EUROPEAN MATHEMATICAL SOC, 2019-09-28)
      We prove that the spectrum constructed by González-Meneses, Manchón and the second author is stably homotopy equivalent to the Khovanov spectrum of Lipshitz and Sarkar at its extreme quantum grading.
    • Article
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      Fast algorithmic Nielsen-Thurston classification of four-strand braids 

      Calvez, Matthieu; Wiest, Bert (World Scientific Publishing, 2012-04)
      We give an algorithm which decides the Nielsen-Thurston type of a given four-strand braid. The complexity of our algorithm ...
    • Article
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      Fast Nielsen-Thurston classification of braids 

      Calvez, Matthieu (Mathematical Sciences Publishers, 2014)
      We prove the existence of an algorithm that solves the reducibility problem in braid groups and runs in quadratic time with respect to the braid length for any fixed braid index.
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      Finite monodromy of some families of exponential sums 

      Rojas León, Antonio (Elsevier, 2019-04)
      Given a prime p and an integer d > 1, we give a numerical criterion to decide whether the ℓ-adic sheaf associated to the ...
    • Article
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      Fonctions zêta ℓ-modulaires 

      Mínguez Espallargas, Alberto (Duke University Press, 2012)
      Soient F un corps commutatif localement compact non archimédien, de caractéristique résiduelle notée p, et D une F-algèbre ...
    • Article
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      Formal groups, supersingular abelian varieties and tame ramification 

      Arias de Reyna Domínguez, Sara (Elsevier, 2011-05-15)
      Let us consider an abelian variety defined over Qℓ with good supersingular reduction. In this paper we give explicit ...
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      Free divisors and duality for D-modules 

      Castro Jiménez, Francisco Jesús; Ucha Enríquez, José María (Pleiades, 2002)
      The relationship between D-modules and free divisors has been studied in a general setting by L. Narváez and F.J. Calderón. ...
    • Chapter of Book
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      Galois representations and Galois groups over Q 

      Arias de Reyna Domínguez, Sara; Armana, Cécile; Karemaker, Valentijn; Rebolledo, Marusia; Thomas, Lara; Vila Oliva, Núria (Springer, 2015)
      In this paper we generalize results of P. Le Duff to genus n hyperelliptic curves. More precisely, let C/Q be a hyperelliptic ...
    • Article
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      Galois Theory, discriminants and torsion subgroups of elliptic curves 

      García Selfa, Irene; González Jiménez, Enrique; Tornero Sánchez, José María (Elsevier, 2010-08)
      We find a tight relationship between the torsion subgroup and the image of the mod 2 Galois representation associated to ...
    • Presentation
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      Generating partial Hadamard matrices as solutions to a Constraint Satisfaction Problem characterizing cliques 

      Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Falcón Ganfornina, Raúl Manuel; Frau García, María Dolores; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Osuna Lucena, Amparo (2017-07)
      A procedure is described looking for partial Hadamard matrices, as cliques of a particular subgraph Gt of Ito’s Hadamard ...
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      Generating random braids 

      Gebhardt, Volker; González-Meneses López, Juan (Elsevier, 2013-01)
      We present an algorithm to generate positive braids of a given length as words in Artin generators with a uniform probability. ...
    • Article
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      Geometric approaches to braid groups and mapping class groups 

      González-Meneses López, Juan (Cellule Mathdoc, 2015)
      These are Lecture Notes of a course given by the author at the School Winter Braids, held at the Université de Pau et des ...
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      Geometric embeddings of braid groups do not merge conjugacy classes 

      González-Meneses López, Juan (Sociedad Matemática Mexicana, 2014-10)
      An embedding of the m-times punctured disc into the n-times punctured disc, for n > m, yields an embedding of the braid ...