Listar Artículos (Álgebra) por título
Mostrando ítems 79-98 de 259
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Estimates for singular multiplicative character sums
(Duke University Press, 2005)We give some estimates for multiplicative character sums on quasiprojective varieties over finite fields depending on the ...
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Exact cost minimization of a series-parallel reliable system with multiple component choices using an algebraic method
(2013-11)The redundancy allocation problem is formulated minimizing the design cost for a series-parallel system with multiple ...
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Examples of hypergeometric twistor D-modules
(Mathematical Sciences Publishers, 2019-08-18)We show that certain one-dimensional hypergeometric differential systems underlie objects of the category of irregular ...
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Explicit calculations in rings of differential operators
(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 ...
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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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Explicit models for perverse sheaves
(European Mathematical Society, 2003)We consider categories of generalized perverse sheaves, with relaxed constructibility conditions, by means of the process ...
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Exponential growth of rank jumps for A-hypergeometric systems
(European Mathematical Society, 2013)The dimension of the space of holomorphic solutions at nonsingular points (also called the holonomic rank) of a ...
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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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Extending a valuation centered in a local domain to the formal completion
(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 ...
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Extreme Khovanov spectra
(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.
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Fast algorithmic Nielsen-Thurston classification of four-strand braids
(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 ...
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Fast Nielsen-Thurston classification of braids
(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
(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 ...
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Fonctions zêta ℓ-modulaires
(Duke University Press, 2012)Soient F un corps commutatif localement compact non archimédien, de caractéristique résiduelle notée p, et D une F-algèbre ...
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Formal groups, supersingular abelian varieties and tame ramification
(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
(Pleiades, 2002)The relationship between D-modules and free divisors has been studied in a general setting by L. Narváez and F.J. Calderón. ...
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Galois Theory, discriminants and torsion subgroups of elliptic curves
(Elsevier, 2010-08)We find a tight relationship between the torsion subgroup and the image of the mod 2 Galois representation associated to ...
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Generating random braids
(Elsevier, 2013-01)We present an algorithm to generate positive braids of a given length as words in Artin generators with a uniform probability. ...
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Geometric approaches to braid groups and mapping class groups
(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
(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 ...