Listar Artículos (Álgebra) por fecha de publicación
Mostrando ítems 121-140 de 260
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The stability of the Kronecker products of Schur functions
(Elsevier, 2011-04-01)In the late 1930’s Murnaghan discovered the existence of a stabilization phenomenon for the Kronecker product of Schur ...
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An algebraic approach to Integer Portfolio problems
(2011-05-01)Integer variables allow the treatment of some portfolio optimization problems in a more realistic way and introduce the ...
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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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A geometric characterization of the upper bound for the span of the Jones polynomial
(World Scientific, 2011-07)Let D be a link diagram with n crossings, sA and sB its extreme states and |sAD| (resp. |sBD|) the number of simple closed ...
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The Newton Procedure for several variables
(Elsevier, 2011-07-15)Let us consider an equation of the form P(x, z) = zm + w1(x)zm−1 + · · · + wm−1(x)z + wm(x) = 0, where m>1, n>1, x=(x1⋯xn) ...
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Gevrey solutions of irregular hypergeometric systems in two variables
(Elsevier, 2011-08-01)We describe the Gevrey series solutions at singular points of the irregular hypergeometric system (GKZ system) associated ...
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A note on K-theory and triangulated derivators
(Elsevier, 2011-08-01)In this paper we show an example of two differential graded algebras that have the same derivator K-theory but non-isomorphic ...
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Improvements of the Weil bound for Artin-Schreier curves
(Springer, 2011-10)For the Artin-Schreier curve y q − y = f(x) defined over a finite field Fq of q elements, the celebrated Weil bound for ...
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L-functions of symmetric powers of the generalized Airy family of exponential sums
(2011-12)This paper looks at the L-function of the kth symmetric power of the -sheaf Aif over the affine line associated to the ...
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Estimates for exponential sums with a large automorphism group
(American Mathematical Society, 2012)We prove some improvements of the classical Weil bound for one variable additive and multiplicative character sums ...
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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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Katz-Radon transform of l-adic representations
(Duke University Press, 2012)We prove a simple explicit formula for the local Katz-Radon transform of an l-adic representation of the Galois group of ...
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Motivic Poincaré series, toric singularities and logarithmic Jacobian ideals
(American Mathematical Society, 2012)The geometric motivic Poincaré series of a variety, which was introduced by Denef and Loeser, takes into account the classes ...
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A complete diophantine characterization of the rational torsion of an elliptic curve
(Springer, 2012-01)We give a complete characterization for the rational torsion of an elliptic curve in terms of the (non–)existence of integral solutions of a system of diophantine equations.
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The conservation relation for cuspidal representations
(Springer, 2012-01)Let π ∈ Cusp (U(Vn)) be a smooth cuspidal irreducible representation of a unitary group U(Vn) of dimension n over a ...
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On the modules of m-integrable derivations in non-zero characteristic
(Elsevier, 2012-03-20)Let k be a commutative ring and A a commutative k-algebra. Given a positive integer m, or m = ∞, we say that a k-linear ...
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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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Dual Garside structure and reducibility of braids
(Elsevier, 2012-04-15)Benardete, Gutierrez and Nitecki showed an important result which relates the geometrical properties of a braid, as a ...
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Rationality of trace and norm L-functions
(Duke University Press, 2012-06-15)For a given l-adic sheaf F on a commutative algebraic group G over a finite field k and an integer r ≥ 1 we define the ...
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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 ...