Now showing items 41-60 of 284

    • Presentation
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      K-Factores en nubes bicromáticas 

      Grima Ruiz, Clara Isabel; Atienza Martínez, María Nieves; Cortés Parejo, María del Carmen; Garijo Royo, Delia; Valenzuela Muñoz, Jesús; Villar Liñán, María Trinidad (2007)
      Consideramos una colección de puntos bicromática y nos preguntamos cuántos puntos adicionales son necesarios considerar ...
    • Presentation
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      The curvature tensor of almost cosymplectic and almost Kenmotsu (κ,μ,ν)-spaces 

      Carriazo Rubio, Alfonso; Martín Molina, Verónica (2013)
      We study the Riemann curvature tensor of (κ,μ, ν)-spaces when they have almost cosymplectic and almost Kenmotsu structures, ...
    • PhD Thesis
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      Invariant functions and contractions of algebras. 

      Escobar Rica, Jose María (2019-04-08)
    • Article
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      The curvature tensor of almost cosymplectic and almost Kenmotsu ( κ, μ, ν ) -space 

      Carriazo Rubio, Alfonso; Martín Molina, Verónica (Springer, 2013-08)
      We study the Riemann curvature tensor of (κ, µ, ν)-spaces when they have almost cosymplectic and almost Kenmotsu structures, ...
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      Polynomial braid combing 

      Flores Díaz, Ramón Jesús; González-Meneses López, Juan (Oxford University Press, 2018)
      We prove that, for n ≥ 3, the minimal dimension of a model of the classifying space of the braid group Bn, and of the pure braid group Pn, with respect to the family of virtually cyclic groups is n.
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      Un ejemplo de teoría de bordismo equivalente al PL-bordismo 

      Quintero Toscano, Antonio Rafael (Academia de Ciencias Exactas, Físicas, Químicas y Naturales de Zaragoza, 1983)
      In this paper we define the CPL-manifolds and we prove, by using a desingularization procedure, that these objects give a ...
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      Cellular covers of local groups 

      Flores Díaz, Ramón Jesús; Scherer, Jérôme (Springer, 2018-12)
      We prove that, in the category of groups, the composition of a cellularization and a localization functor need not be idempotent. This provides a negative answer to a question of Emmanuel Dror Farjoun.
    • PhD Thesis
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      La forma de Maslov de las subvariedades Slant. 

      Barrera López, Joaquín (2018-11-30)
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      Some special types of developable ruled surface 

      Alegre Rueda, Pablo Sebastián; Arslan, Kadri; Carriazo Rubio, Alfonso; Murathan, Cengizhan; Özturk, Günay (Hacettepe University (Faculty of Science), 2010)
      In this study we consider the focal curve Cγ of a space curve γ and its focal curvatures. We characterize some special ...
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      On certain anti-invariant submanifolds of an S-manifold 

      Cabrerizo Jaraíz, José Luis; Fernández Fernández, Luis Manuel (Sociedade Portuguesa de Matemática, 1993)
      In this paper, the geometry of certain anti-invariant submanifolds of an S-manifold, namely those which are normal to the structure vector fields, is studied.
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      CR-products of S-manifolds 

      Fernández Fernández, Luis Manuel (Sociedade Portuguesa de Matemática, 1990)
      In this paper certain CR-submanifolds namely the CR-products, are studied. A characterization theorem is given and the case of CR-products of S-manifolds whose invariant f-sectional curvature is constant, is investigated.
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      Irreducible triangulations of the once-punctured torus 

      Lawrecenko, Serge; Sulanke, Thom; Villar Liñán, María Trinidad; Zgonnik, Lyudmila Vladimirovna; Chávez de Diego, María José (Sobolev Institute of Mathematics, 2018)
      A triangulation of a surface with fixed topological type is called irreducible if no edge can be contracted to a vertex ...
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      A historical perspective of the theory of isotopisms 

      Falcón Ganfornina, Raúl Manuel; Falcón Ganfornina, Óscar Jesús; Núñez Valdés, Juan (MDPI, 2018-08-03)
      In the middle of the twentieth century, Albert and Bruck introduced the theory of isotopisms of non-associative algebras ...
    • Presentation
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      Desigualdades de Morse generalizadas sobre grafos 

      Ayala Gómez, Rafael; Fernández Fernández, Luis Manuel; Vilches Alarcón, José Antonio (Alberto Márquez, 2002)
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      A classification of totally geodesic and totally umbilical Legendrian submanifolds of (κ, μ)-spaces 

      Carriazo Rubio, Alfonso; Martín Molina, Verónica; Vrancken, Luc (Springer, 2018)
      We present classifications of totally geodesic and totally umbilical Legendrian submanifolds of (κ, µ)-spaces with Boeckx ...
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      Normal approximations of regular curves and surfaces 

      Carriazo Rubio, Alfonso; Márquez García, María del Carmen; Ugail, Hassan (Faculty of Sciences and Mathematics, University of Nis, Serbia, 2015)
      Bezier curves and surfaces are two very useful tools in Geometric Modeling, with many applications. In this paper, we will ...
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      Pyramidal values 

      Flores Díaz, Ramón Jesús; Molina Ferragut, Elisenda; Tejada Cazorla, Juan Antonio (Springer, 2014-06)
      We propose and analyze a new type of values for cooperative TU-games, which we call pyramidal values. Assuming that the ...
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      The cellular structure of the classifying spaces of finite groups 

      Flores Díaz, Ramón Jesús; Foote, Richard M. (Springer, 2011-08)
      In this paper we obtain a description of the BZ/p-cellularization (in the sense of Dror-Farjoun) of the classifying spaces of all finite groups, for all primes p.
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      El papel de las webquest en las NTIC 

      Falcón Ganfornina, Óscar Jesús; Falcón Ganfornina, Raúl Manuel; Núñez Valdés, Juan; Tenorio Villalón, Ángel Francisco (2008-07)
      La ponencia que aquí se presenta persigue un triple objetivo. Por una parte, mostrarle al lector en general, y al profesorado ...
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      Basic concepts on Lorentz simmetry and Minkowsky isogeometry by using the MCIM isotopic model 

      Falcón Ganfornina, Raúl Manuel; Núñez Valdés, Juan (2004-09)
      At 1978, R.M. Santilli proposed to generalize the conventional Lie theory by using isotopies. To do it, he considered that ...