Listar Artículos (Álgebra) por fecha de publicación
Mostrando ítems 201-220 de 260
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Classification of subgroups of symplectic groups over finite fields containing a transvection
(De Gruyter Open, 2016-06)In this note, we give a self-contained proof of the following classification (up to conjugation) of finite subgroups of ...
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Cylinders for non-symmetric DG-operads via homological perturbation theory
(Elsevier, 2016-09)We construct small cylinders for cellular non-symmetric DG-operads over an arbitrary commutative ring by using the basic ...
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Strongly quasipositive links with braid index 3 have positive Conway polynomial
(World Scientific, 2016-10)Strongly quasipositive links are those links which can be seen as closures of positive braids in terms of band generators. ...
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K-theory of derivators revisited
(Mathematical Sciences Publishers, 2017)We define a K-theory for pointed right derivators and show that it agrees with Waldhausen K-theory in the case where the ...
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Acylindrical hyperbolicity and Artin-Tits groups of spherical type
(Springer, 2017)We prove that, for any irreducible Artin-Tits group of spherical type G, the quotient of G by its center is acylindrically ...
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Encoding algebraic power series
(Springer, 2017)The division algorithm for ideals of algebraic power series satisfying Hironaka’s box condition is shown to be finite when ...
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En recuerdo de Alexander Grothendieck: prólogo para una lectura de su vida y obra
(Real Sociedad Matemática Española, 2017)En este artículo repasamos algunas de las claves de las contribuciones matemáticas de Alexander Grothendieck y del contexto ...
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Compatible systems of symplectic Galois representations and the inverse Galois problem I. Images of projective representations
(American Mathematical Society, 2017-02)This article is the first part of a series of three articles about compatible systems of symplectic Galois representations ...
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Correspondance de Jacquet-Langlands locale et congruences modulo l
(Springer, 2017-05)Let F be a non-Archimedean local field of residual characteristic p, and be a prime number different from p. We consider ...
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Exponents of Some One-Dimensional Gauss–Manin Systems
(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 ...
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Linear nested Artin approximation theorem for algebraic power series
(Springer, 2018)We give an elementary proof of the nested Artin approximation Theorem for linear equations with algebraic power series ...
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Explicit local multiplicative convolution of ℓ-adic sheaves
(European Mathematical Society, 2018)We give explicit formulas for the local multiplicative convolution functors, which express the local monodromies of the ...
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Echelons of power series and Gabrielov’s counterexample to nested linear Artin Approximation
(London Mathematical Society, 2018)Gabrielov’s famous example for the failure of analytic Artin approximation in the presence of nested subring conditions ...
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Polynomial braid combing
(Oxford University Press, 2018)We prove that, for n ≥ 3, the minimal dimension of a model of the classifying space of the braid group Bn, and of the pure braid group Pn, with respect to the family of virtually cyclic groups is n.
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Primer Encuentro Conjunto RSME-UMA, Buenos Aires, 11 a 15 de diciembre de 2017
(Real Sociedad Matemática Española, 2018)En la semana del lunes 11 al viernes 15 de diciembre de 2017 se llevó a cabo en Buenos Aires el Primer Encuentro Conjunto ...
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A positive proportion of elements of mapping class groups is pseudo-Anosov
(Wiley, 2018-03-28)In the Cayley graph of the mapping class group of a closed surface, with respect to any generating set, we look at a ball ...
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On loxodromic actions of Artin–Tits groups
(Elsevier, 2018-04-10)Artin–Tits groups act on a certain delta-hyperbolic complex, called the “additional length complex”. For an element of the ...
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A geometric description of the extreme Khovanov cohomology
(Cambridge University Press, 2018-06)We prove that the hypothetical extreme Khovanov cohomology of a link is the cohomology of the independence simplicial ...
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On the minimal positive standardizer of a parabolic subgroup of an Artin–Tits group
(Springer, 2018-09-22)The minimal standardizer of a curve system on a punctured disk is the minimal positive braid that transforms it into a ...
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On the centralizer of generic braids
(De Gruyter, 2018-11)We study the centralizer of a braid from the point of view of Garside theory, showing that generically a minimal set of ...