Listar Artículos (Álgebra) por título
Mostrando ítems 207-226 de 259
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Searching for simultaneous arithmetic progressions on elliptic curves
(Australian Mathematical Society, 2005-06)We look for elliptic curves featuring rational points whose coordinates form two arithmetic progressions, one for each coordinate. A constructive method for creating such curves is shown, for lengths up to 5.
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Secondary homotopy groups
(De Gruyter, 2008-07)Secondary homotopy groups supplement the structure of classical homotopy groups. They yield a track functor on the track ...
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Semblanza del profesor don Gonzalo Sánchez Vázquez
(Federación Española de Profesores de Matemáticas, 1997-06) -
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Smash products for secondary homotopy groups
(Springer, 2008-10)We construct a smash product operation on secondary homotopy groups yielding the structure of a lax symmetric monoidal functor. Applications on cup-one products, Toda brackets and Whitehead products are considered.
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Solving the conjugacy problem in Garside groups by cyclic sliding
(Elsevier, 2010-06)We present a solution to the conjugacy decision problem and the conjugacy search problem in Garside groups, which is ...
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Some combinatorial remarks on normal flatness in analytic spaces
(Mathematical Society of the Republic of China, 2014-06)In this article we present a combinatorial treatment of normal flatness in analytic spaces, using the idea of equimultiple ...
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Some geometric aspects of Puiseux surfaces
(European Mathematical Society, 2003)The following problem is treated: Characterizing the tangent cone and the equimultiple locus of a Puiseux surface (that ...
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Specializations of MacMahon symmetric functions and the polynomial algebra
(Elsevier, 2002-03-06)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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Strongly quasipositive links with braid index 3 have positive Conway polynomial
(World Scientific, 2016-10)Strongly quasipositive links are those links which can be seen as closures of positive braids in terms of band generators. ...
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Capítulo de Libro
Sudokus and Gröbner Bases: not only a Divertimento
(2006)Sudoku is a logic-based placement puzzle. We recall how to translate this puzzle into a 9-colouring problem which ...
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Sumando la derivada de la serie geométrica
(Asociación Matemática Venezolana, 2003) -
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Sur l’irréductibilité d’une induite parabolique
(De Gruyter, 2009)Let F be a non-Archimedean locally compact field and let D be a central division algebra over F. Let p1 and p2 be respectively ...
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Symmetric functions in noncommuting variables
(American Mathematical Society, 2006)Consider the algebra Qhhx1, x2, . . .ii of formal power series in countably many noncommuting variables over the rationals. ...
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Tame Galois realizations of GSp4 (Fℓ) over Q
(Oxford University Press, 2011)In this paper we obtain realizations of the 4-dimensional general symplectic group over a prime field of characteristic ...
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Tautological systems and free divisors
(Elsevier, 2019-08-20)We introduce tautological systems defined by prehomogeneous actions of reductive algebraic groups. If the complement of ...
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The 1-type of a Waldhausen K-theory spectrum
(Elsevier, 2007-12-01)We give a small functorial algebraic model for the 2-stage Postnikov section of the K-theory spectrum of a Waldhausen category and use our presentation to describe the multiplicative structure with respect to biexact functors.
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The algebra of secondary homotopy operations in ring spectra
(London Mathematical Society, 2011)The primary algebraic model of a ring spectrum R is the ring π∗R of homotopy groups. We introduce the secondary model π∗,∗R ...
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The analytic standard fan of a D-module
(Elsevier, 2001-10-24)We extend to the analytic D-module case our results in the algebraic case, namely, we associate with any monogeneous module ...
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The characteristic cohomology class of a triangulated category
(2005)The concept of a triangulated homotopy category can be canonically lifted to the level of a groupoid-enriched category. This way two natural axioms on track triangles replace the four somewhat obscure axioms of a triangulated category.