Listar Artículos (Álgebra) por título
Mostrando ítems 46-65 de 260
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Comparison of theoretical complexities of two methods for computing annihilating ideals of polynomials
(2005)Let f1, . . . , fp be polynomials in C[x1, . . . , xn] and let D = Dn be the n-th Weyl algebra. We provide upper bounds ...
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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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Compatible systems of symplectic Galois representations and the inverse Galois problem II. Transvections and huge image
(Mathematical Sciences Publishers, 2016-03)This article is the second part of a series of three articles about compatible systems of symplectic Galois representations ...
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Compatible systems of symplectic Galois representations and the inverse Galois problem III. Automorphic construction of compatible systems with suitable local properties
(Springer, 2015-04)This article is the third and last part of a series of three articles about compatible systems of symplectic Galois ...
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Computation of centralizers in braid groups and Garside groups
(Consejo Superior de Investigaciones Científicas, 2003)We give a new method to compute the centralizer of an element in Artin braid groups and, more generally, in Garside groups. ...
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Computational methods in algebra and analysis
(Sociedad Española de Matemática Aplicada, 2007-09)This paper describes some applications of Computer Algebra to Algebraic Analysis also known as D-module theory, i.e. the ...
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Computing localizations iteratively
(Cornell University, 2011)Let R = C[x] be a polynomial ring with complex coefficients and DX = Chx, ∂i be the Weyl algebra. Describing the ...
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Computing the rational torsion of an elliptic curve using Tate normal form
(Elsevier, 2002-09)It is a classical result (apparently due to Tate) that all elliptic curves with a torsion point of order n (4 ≤ n ≤ 10, ...
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Conjugacy in Garside groups I: Cyclings, powers, and rigidity
(European Mathematical Society, 2007)In this paper a relation between iterated cyclings and iterated powers of elements in a Garside group is shown. This yields ...
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Conjugacy in Garside groups II: Structure of the ultra summit set
(European Mathematical Society, 2008)This paper is the second in a series in which the authors study the conjugacy decision problem (CDP) and the conjugacy ...
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Conjugacy in Garside Groups III: Periodic braids
(Elsevier, 2007-10-15)An element in Artin’s braid group Bn is said to be periodic if some power of it lies in the center of Bn. In this paper ...
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Conjugacy problem for braid groups and Garside groups
(Elsevier, 2003-08-01)We present a new algorithm to solve the conjugacy problem in Artin braid groups, which is faster than the one presented ...
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Conjugacy stability of parabolic subgroups of Artin-Tits groups of spherical type
(Elsevier, 2020-08-15)We give a complete classification of conjugacy stable parabolic subgroups of Artin-Tits groups of spherical type. This ...
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Conservation of the noetherianity by perfect transcendental field extensions
(European Mathematical Society, 2003)Let k be a perfect field of characteristic p>0, k(t)per the perfect closure of k(t) and A a k-algebra. We characterize whether the ring A⊗kk(t)per is noetherian when A is the ring of formal power series in n indeterminates over k.
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Constructions in R[x_1, ..., x_n]. Applications to K-Theory
(2002-06-25)A classical result in K-Theory about polynomial rings like the Quillen-Suslin theorem admits an algorithmic approach when ...
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Continuous division of differential operators
(Association des Annales de l'Institut Fourier, 2001)In this paper, we give a new proof of the continuity of division by differential operators with analytic coefficients, ...
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Continuous division of linear differential operators and faithful flatness of D∞X over DX
(Société Mathématique de France, 2004)In these notes we prove the faithful flatness of the sheaf of infinite order linear differential operators over the sheaf ...
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Correspondance de Howe explicite: paires duales de type II
(Société Mathématique de France, 2008)Dans cet article, nous proposons une nouvelle méthode pour démontrer la bijectivité de la correspondance de Howe pour les ...
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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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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 ...