Listar Algebra por título
Mostrando ítems 111-130 de 305
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Capítulo de Libro
Galois representations and Galois groups over Q
(Springer, 2015)In this paper we generalize results of P. Le Duff to genus n hyperelliptic curves. More precisely, let C/Q be a hyperelliptic ...
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Artículo
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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Ponencia
Generating partial Hadamard matrices as solutions to a Constraint Satisfaction Problem characterizing cliques
(2017-07)A procedure is described looking for partial Hadamard matrices, as cliques of a particular subgraph Gt of Ito’s Hadamard ...
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Artículo
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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Artículo
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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Artículo
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 ...
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Capítulo de Libro
La Geometría Algebraica: punto de encuentro de las Matemáticas
(Real Academia Sevillana de Ciencias, 2005) -
Artículo
Gevrey and formal Nilsson solutions of A-hypergeometric systems
(Elsevier, 2020-02-10)We prove that the space of Gevrey solutions of an A–hypergeometric system along a coordinate subspace is contained in a ...
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Artículo
Gevrey expansions of hypergeometric integrals I
(Oxford University Press, 2015)We study integral representations of the Gevrey series solutions of irregular hypergeometric systems. In this paper we ...
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Artículo
Gevrey Expansions of Hypergeometric Integrals II
(Oxford University Press, 2019-12-01)We study integral representations of the Gevrey series solutions of irregular hypergeometric systems under certain ...
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Artículo
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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Artículo
Gevrey solutions of the irregular hypergeometric system associated with an affine monomial curve
(American Mathematical Society, 2011)We describe the Gevrey series solutions at singular points of the irregular hypergeometric system (GKZ system) associated ...
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Artículo
Godement resolutions and sheaf homotopy theory
(Springer, 2015-09)The Godement cosimplicial resolution is available for a wide range of categories of sheaves. In this paper we investigate ...
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Artículo
Grothendieck bialgebras, Partition lattices, and symmetric functions in noncommutative variables
(American Mathematical Society, 2006)We show that the Grothendieck bialgebra of the semi-tower of partition lattice algebras is isomorphic to the graded dual ...
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Artículo
Gröbner δ-bases and Gröbner bases for differential operators
(Polish Academy of Sciences, Institute of Mathematics, 2002)This paper deals with the notion of Gr¨obner δ-base for some rings of linear differential operators by adapting the works ...
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Artículo
Hasse-Schmidt derivations and coefficient fields in positive characteristics
(Elsevier, 2003-07-01)We show how to express any Hasse-Schmidt derivation of an algebra in terms of a finite number of them under natural ...
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Artículo
Hasse-Schmidt derivations, divided powers and differential smoothness
(Association des Annales de l'Institut Fourier, 2009)Let k be a commutative ring, A a commutative k-algebra and D the filtered ring of k-linear differential operators of A. ...
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Capítulo de Libro
Hasse–Schmidt derivations versus classical derivations
(American Mathematical Society, 2020-01-17)In this paper we survey the notion and basic results on multivariate Hasse–Schmidt derivations over arbitrary commutative ...
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Artículo
Higher derivations of modules and the Hasse-Schmidt module
(Cornell University, 2020-07-28)In this paper we revisit Ribenboim's notion of higher derivations of modules and relate it to the recent work of De Fernex ...
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Artículo
Hironaka's characteristic polygon and effective resolution of surfaces
(Elsevier, 2007-03-01)Hironaka’s concept of characteristic polyhedron of a singularity has been one of the most powerful and fruitful ideas of ...