Mostrando ítems 21-40 de 276

    • Artículo
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      Morse–Bott theory on posets and a homological Lusternik–Schnirelmann theorem 

      Fernández Ternero, Desamparados; Macías Virgós, Enrique; Mosquera Lois, David; Vilches Alarcón, José Antonio (World Scientific Publishing Company, 2021)
      We develop Morse–Bott theory on posets, generalizing both discrete Morse–Bott theory for regular complexes and Morse ...
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      Expanders and right-angled Artin groups 

      Flores Díaz, Ramón Jesús; Kahrobaei, Delaram; Koberda, Thomas (World Scientific Publishing Company, 2021)
      The purpose of this paper is to give a characterization of families of expander graphs via right-angled Artin groups. We ...
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      Using the Evolution Operator to Classify Evolution Algebras 

      Fernández Ternero, Desamparados; Gómez Sousa, Víctor Manuel; Núñez Valdés, Juan (MDPI, 2021-08-05)
      Evolution algebras are currently widely studied due to their importance not only “per se” but also for their many applications ...
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      Generalized Sasakian Space Forms Which Are Realized as Real Hypersurfaces in Complex Space Forms 

      Carriazo Rubio, Alfonso; Cho, Jong Taek; Martín Molina, Verónica (MDPI, 2020-05-29)
      We prove a classification theorem of the generalized Sasakian space forms which are realized as real hypersurfaces in complex space forms.
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      Metric f-Contact Manifolds Satisfying the (κ, μ)-Nullity Condition 

      Carriazo Rubio, Alfonso; Fernández Fernández, Luis Manuel; Loiudice, Eugenia (MDPI, 2020-06-02)
      We prove that if the f-sectional curvature at any point of a (2n+s) -dimensional metric f-contact manifold satisfying the ...
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      Simplicial Lusternik-Schnirelmann category 

      Fernández Ternero, Desamparados; Macías Virgós, Enrique; Minuz, Erica; Vilches Alarcón, José Antonio (Universidad Autónoma de Barcelona, 2019-01-01)
      The simplicial LS-category of a nite abstract simplicial complex is a new invariant of the strong homotopy type, de ned ...
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      Optimal inequalities, contact delta-invariants and their applications 

      Chen, Bang-Yen; Martín Molina, Verónica (Malaysian Mathematical Sciences Society, 2013)
      Associated with a k-tuple (n1, . . . , nk) ∈ S(2n + 1) with n ≥ 1, we define a contact δ-invariant, δc (n1, . . . , nk), ...
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      Bochner and conformal flatness on normal complex contact metric manifolds 

      David E. Blair; Martín Molina, Verónica (Springer, 2010-10-10)
      We will prove that normal complex contact metric manifolds that are Bochner flat must have constant holomorphic sectional ...
    • Tesis Doctoral
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      Subvariedades slant en s-variedades 

      Hans Uber, María Belén (2005-07-15)
      Las subvariedades slant constituyen un tipo importante de subvariedades, tanto en la Geometría Compleja como en la Geometría ...
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      A closed form for slant submanifolds of generalized Sasakian space forms 

      Alegre Rueda, Pablo Sebastián; Barrera López, Joaquín; Carriazo Rubio, Alfonso (MDPI, 2019-12-13)
      The Maslov form is a closed form for a Lagrangian submanifold of Cm, and it is a conformal form if and only if M satisfies ...
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      An Application of Total-Colored Graphs to Describe Mutations in Non-Mendelian Genetics 

      Falcón Ganfornina, Raúl Manuel; Falcón Ganfornina, Óscar Jesús; Núñez Valdés, Juan (MDPI, 2019)
      Any gene mutation during the mitotic cell cycle of a eukaryotic cell can be algebraically represented by an isotopism of ...
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      Bi-slant submanifolds of para Hermitian manifolds 

      Alegre Rueda, Pablo Sebastián; Carriazo Rubio, Alfonso (MDPI, 2019-07-11)
      In this paper, we introduce the notion of bi-slant submanifolds of a para Hermitian manifold. They naturally englobe CR, semi-slant, and hemi-slant submanifolds. We study their first properties and present a whole gallery of examples.
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      Structural aspects of the non-uniformly continuous functions and the unbounded functions within C(X) 

      Ayala Gómez, Rafael; Bernal González, Luis; Calderón Moreno, María del Carmen; Vilches Alarcón, José Antonio (Elsevier, 2019-04-01)
      We prove in this paper that if a metric space supports a real continuous function which is not uniformly continuous then, ...
    • Ponencia
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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 ...
    • Ponencia
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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, ...
    • Tesis Doctoral
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      Invariant functions and contractions of algebras. 

      Escobar Rica, Jose María (2019-04-08)
    • Artículo
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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.