Listar Artículos (Álgebra) por título
Mostrando ítems 3-22 de 260
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A combinatorial overview of the Hopf algebra of MacMahon symmetric functions
(Springer, 2002-11)A MacMahon symmetric function is a formal power series in a finite number of alphabets that is invariant under the diagonal ...
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A comment of the combinatorics of the vertex operator Γ(t|X)
(Project euclid, 2019-12-08)The Jacobi--Trudi identity associates a symmetric function to any integer sequence. Let Γ(t|X) be the vertex operator ...
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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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A computational approach to the D-module of meromorphic functions
(2001)Let D be a divisor in Cn. We present methods to compare the D-module of the meromorphic functions O[∗D] to some natural approximations. We show how the analytic case can be treated with computations in the Weyl algebra.
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A duality approach to the symmetry of Bernstein-Sato polynomials of free divisors
(Elsevier, 2015-08-20)In this paper we prove that the Bernstein-Sato polynomial of any free divisor for which the D[s]-module D[s]h s admits ...
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A fast solution to the conjugacy problem in the four-strand braid group
(De Gruyter, 2014-09)We present an algorithm for solving the conjugacy search problem in the fourstrand braid group. The computational complexity is cubic with respect to the braid length.
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A flatness property for filtered D-modules
(European Mathematical Society, 2007)Let M be a coherent module over the ring DX of linear differential operators on an analytic manifold X and let Z1, · · · ...
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A generalisation of the Phase Kick-Back
(Springer, 2023-03-13)In this paper, we present a generalisation of the Phase Kick-Back technique, which is central to some of the classical ...
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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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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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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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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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A rigid local system with monodromy group 2.J2
(Elsevier, 2019-05)We exhibit a rigid local system of rank six on the affine line in characteristic p = 5 whose arithmetic and geometric ...
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Abelian varieties over number fields, tame ramification and big Galois image
(International Press, 2013)Given a natural number n ≥ 1 and a number field K, we show the existence of an integer ℓ0 such that for any prime number ...
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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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Alexander-Conway polynomial state model and link homology
(World Scientific Publishing, 2016-03)This paper shows how the Formal Knot Theory state model for the Alexander-Conway polynomial is related to Knot Floer ...
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Algebraic computation of some intersection D-modules
(Springer, 2006)Let X be a complex analytic manifold, D ⊂ X a locally quasi-homogeneous free divisor, E an integrable logarithmic connection ...
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Capítulo de Libro
Algorithmic Invariants for Alexander Modules
(2006)Let $G$ be a group given by generators and relations. It is possible to compute a presentation matrix of a module over a ...
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All linear symmetries of the SU(3) tensor multiplicities
(IOP Science, 2024)The SU(3) tensor multiplicities are piecewise polynomial of degree 1 in their labels. The pieces are the chambers of a ...
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Almost-extreme Khovanov spectra
(Springer, 2021)We introduce a functor from the cube to the Burnside 2-category and prove that it is equivalent to the Khovanov spectrum ...