Listar Artículos (Álgebra) por título 

Listar Artículos (Álgebra) por título

Mostrando ítems 214-233 de 260

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      Some combinatorial remarks on normal flatness in analytic spaces 

      Soto Prieto, Manuel Jesús; Tornero Sánchez, José María (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 

      Tornero Sánchez, José María (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 

      Rosas Celis, Mercedes Helena (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 

      Silvero Casanova, Marithania (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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      Sudokus and Gröbner Bases: not only a Divertimento 

      Gago Vargas, Manuel Jesús; Hartillo Hermoso, Isabel; Martín Morales, Jorge; Ucha Enríquez, José María (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 

      Boulton, Lyonell; Rosas Celis, Mercedes Helena (Asociación Matemática Venezolana, 2003)
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      Sur l’irréductibilité d’une induite parabolique 

      Mínguez Espallargas, Alberto (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 

      Rosas Celis, Mercedes Helena; Sagan, Bruce E. (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 

      Arias de Reyna Domínguez, Sara; Vila Oliva, Núria (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 

      Narváez Macarro, Luis; Sevenheck, Christian (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 

      Muro Jiménez, Fernando; Tonks, Andrew (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 

      Baues, Hans Joachim; Muro Jiménez, Fernando (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 

      Assi, Abdallah; Castro Jiménez, Francisco Jesús; Granger, Michel (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 

      Baues, Hans Joachim; Muro Jiménez, Fernando (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.
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      The computation of the logarithmic cohomology for plane curves 

      Castro Jiménez, Francisco Jesús; Takayama, Nobuki (Elsevier, 2009-12-01)
      We will give algorithms of computing bases of logarithmic cohomology groups for square-free polynomials in two variables.
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      The conjugacy stability problem for parabolic subgroups in artin groups 

      Cumplido Cabello, María (Springer, 2022-09-14)
      Given an Artin group A and a parabolic subgroup P, we study if every two elements of P that are conjugate in A, are also ...
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      The conservation relation for cuspidal representations 

      Mínguez Espallargas, Alberto (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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      The cyclic sliding operation in Garside groups 

      Gebhardt, Volker; González-Meneses López, Juan (Springer, 2010-05)
      We present a new operation to be performed on elements in a Garside group, called cyclic sliding, which is introduced to ...
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      The defining ideals of conjugacy classes of nilpotent matrices and a conjecture of Weyman 

      Biagioli, Riccardo; Faridi, Sara; Rosas Celis, Mercedes Helena (Oxford University Press, 2008)
      Tanisaki introduced generating sets for the defining ideals of the schematic intersections of the closure of conjugacy ...
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      The Gröbner fan of an An-module 

      Assi, Abdallah; Castro Jiménez, Francisco Jesús; Granger, Michel (Elsevier, 2000-06-14)
      Let I be a non-zero left ideal of the Weyl algebra An of order n over a field k and let L:R2n→R be a linear form defined ...