Now showing items 1-12 of 12

    • Article
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      A digital index theorem 

      Domínguez Murillo, Eladio; Francés Román, Ángel Ramón; Ayala Gómez, Rafael; Quintero Toscano, Antonio Rafael (World Scientific Publishing, 2001-11)
      This paper is devoted to prove a Digital Index Theorem for digital (n − 1)-manifolds in a digital space (Rn, f), where f ...
    • PhD Thesis
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      Algunos aspectos de las variedades de homología 

      Quintero Toscano, Antonio Rafael (1982)
    • Article
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      Approximation axiomatique à la théorie du bordisme 

      Ayala Gómez, Rafael; Domínguez Murillo, Eladio; Quintero Toscano, Antonio Rafael (Université de Picardie Jules Verne, 1989)
      This paper gives an axiomatical approximation to Bordism Theory. It proves those properties of a geometrical nature that a class of models must satisfy to develop a bordism theory in an abstract category.
    • PhD Thesis
    • PhD Thesis
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      Bordismo seccional de fibrados y submersiones 

      Arrabal Parrilla, Juan José (1988-12-16)
      El objeto de este trabajo es sistematizar una técnica que intenta atacar el problema de existencia de secciones de funciones ...
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      Digital homotopy with obstacles 

      Ayala Gómez, Rafael; Domínguez Murillo, Eladio; Francés Román, Ángel Ramón; Quintero Toscano, Antonio Rafael (Elsevier, 2004-04-30)
      As a sequel of [4] Ayala, R., E. Dom´ıguez, A. R. Franc´es and A. Quintero, Homotopy in Digital Spaces, Discrete and Applied ...
    • Article
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      Exponential law for uniformly continous proper maps 

      Ayala Gómez, Rafael; Domínguez Murillo, Eladio; Quintero Toscano, Antonio Rafael (Universitat Autònoma de Barcelona, 1988)
      The purpose of this note is to prove the exponential law for uniformly continuous proper maps.
    • PhD Thesis
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      Grupos de homotopía propia uniformemente continua 

      Márquez Pérez, Alberto (1987)
      En el Capítulo 1, vamos a desarrollar el concepto de aplicaciones up (uniformemente continuas y propias) entre espacios ...
    • Article
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      Homotopy in digital spaces 

      Ayala Gómez, Rafael; Domínguez Murillo, Eladio; Francés Román, Ángel Ramón; Quintero Toscano, Antonio Rafael (Elsevier, 2003-01-15)
      The main contribution of this paper is a new “extrinsic” digital fundamental group that can be readily generalized to ...
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      Lusternik-Schnirelmann invariants in proper homotopy theory 

      Ayala Gómez, Rafael; Domínguez Murillo, Eladio; Márquez Pérez, Alberto; Quintero Toscano, Antonio Rafael (University of California, 1992)
      We introduce and study proper homotopy invariants of the Lusternik-Schnirelmann type, p-cat (-), p-Cat(-), and cat e(-) ...
    • Presentation
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      On surfaces in digital topology 

      Ayala Gómez, Rafael; Domínguez Murillo, Eladio; Francés Román, Ángel Ramón; Quintero Toscano, Antonio Rafael; Rubio Sender, Julio (1995)
      In R. Ayala, E. Domínguez, A.R. Francés, A. Quintero, J. Rubio. A Polyhedral Approach to Digital Topology a new framework ...
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      Strong separating (k, k)−surfaces on Z3 

      Ciria Cosculluela, José; Domínguez Murillo, Eladio; Francés Román, Ángel Ramón; Quintero Toscano, Antonio Rafael (Universidad de Sevilla, 2010)
      For each adjacency pair (k, k) != (6, 6), k, k ∈ {6, 18, 26}, we introduce a new family Skk of surfaces in the discrete ...