• Artículo
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      Existence of global weak solutions for a viscous 2D bilayer Shallow Water model 

      Narbona Reina, Gladys; Zabsonré, J.D. (Elsevier, 2011)
      We consider a system composed by two immiscible fluids in two-dimensional space that can be modelized by a bilayer Shallow ...
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      Extending the notion of AT-Model for integer homology computation 

      González Díaz, Rocío; Jiménez Rodríguez, María José; Medrano Garfia, Belén; Real Jurado, Pedro (2007)
      When the ground ring is a field, the notion of algebraic topological model (AT-model) is a useful tool for computing ...
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      Flows and colorings 

      Garijo Royo, Delia; Goodall, Andrew; Nesetril, Jaroslav (Chapman and Hall/CRC, 2022)
      Tutte first introduced the dichromate of a graph in large part motivated by the fact that it contained the flow polynomial ...
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      Gait-based carried object detection using persistent homology 

      Lamar León, Javier; Alonso Baryolo, Raúl; García Reyes, Edel; González Díaz, Rocío (2014)
      There are surveillance scenarios where it is important to emit an alarm when a person carrying an object is detected. In ...
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      Gait-based gender classification using persistent homology 

      Lamar León, Javier; Cerri, Andrea; García Reyes, Edel; González Díaz, Rocío (2013)
      In this paper, a topological approach for gait-based gender recognition is presented. First, a stack of human silhouettes, ...
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      Getting topological information for a 80-adjacency doxel-based 4D volume through a polytopal cell complex 

      Pacheco Martínez, Ana María; Real Jurado, Pedro (2009)
      Given an 80-adjacency doxel-based digital four-dimensional hypervolume V, we construct here an associated oriented ...
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      Homological computation using spanning trees 

      Molina Abril, Helena; Real Jurado, Pedro (2009)
      We introduce here a new F2 homology computation algorithm based on a generalization of the spanning tree technique on a ...
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      Homological tree-based strategies for image analysis 

      Real Jurado, Pedro; Molina Abril, Helena; Kropatsch, Walter G. (2009)
      Homological characteristics of digital objects can be obtained in a straightforward manner computing an algebraic map φ ...
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      Human gait identification using persistent homology 

      Lamar León, Javier; García Reyes, Edel; González Díaz, Rocío (2012)
      This paper shows an image/video application using topological invariants for human gait recognition. Using a background ...
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      Incremental-Decremental Algorithm for Computing AT-Models and Persistent Homology 

      González Díaz, Rocío; Adrian, Ion; Jiménez Rodríguez, María José; Poyatos, Regina (2011)
      In this paper, we establish a correspondence between the incremental algorithm for computing AT-models [8,9] and the one ...
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      Integral operators for computing homology generators at any dimension 

      González Díaz, Rocío; Jiménez Rodríguez, María José; Medrano Garfia, Belén; Real Jurado, Pedro; Molina Abril, Helena (2008)
      Starting from an nD geometrical object, a cellular subdivision of such an object provides an algebraic counterpart from ...
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      Irregular graph pyramids and representative cocycles of cohomology generators 

      González Díaz, Rocío; Ion, Adrián; Iglesias Ham, Mabel; Kropatsch, Walter G. (2009)
      Structural pattern recognition describes and classifies data based on the relationships of features and parts. Topological ...
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      Labeling Subway Lines 

      Garrido Vizuete, María de los Angeles; Iturriaga, Claudia; Márquez Pérez, Alberto; Portillo Fernández, José Ramón; Reyes Colume, Pedro; Wolff, Alexander (2001)
      Graphical features on map, charts, diagrams and graph drawings usually must be annotated with text labels in order to ...
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      LBP and irregular graph pyramids 

      Cerman, Martin; González Díaz, Rocío; Kropatsch, Walter G. (2015)
      In this paper, a new codification of Local Binary Patterns (LBP) is given using graph pyramids. The LBP code characterizes ...
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      Modelling of bedload sediment transport for weak and strong regimes 

      Escalante Sánchez, Cipriano; Fernández Nieto, Enrique Domingo; Morales de Luna, Tomás; Narbona Reina, Gladys (Springer, 2021)
      A two-layer shallow water type model is proposed to describe bedload sediment transport for strong and weak interactions ...
    • Ponencia
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      On (−1, 1)-Matrices of Skew Type with the Maximal Determinant and Tournaments 

      Armario Sampalo, José Andrés (Springer, 2014)
      Skew Hadamard matrices of order n give the solution to the question of finding the largest possible n by n determinant ...
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      On the Computation of Ainfinity-Maps 

      Berciano Alcaraz, Ainhoa; Jiménez Rodríguez, María José; Real Jurado, Pedro (2007)
      Starting from a chain contraction (a special chain homotopy equivalence) connecting a differential graded algebra A with ...
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      Periodos asociados a los isotopismos de un cuadrado latino 

      Chávez de Diego, María José; Falcón Ganfornina, Óscar Jesús; Falcón Ganfornina, Raúl Manuel (Instituto Superior de Engenharia da Universidade do Algarve, 2009)
      En Criptografía, la eficacia de un generador de secuencias pseudo-aleatorias viene determinada por el periodo de crecimiento ...
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      Persistent Homology for 3D Reconstruction Evaluation 

      Gutiérrez, Antonio; Monaghan, David S.; Jiménez Rodríguez, María José; O'Connor, Noel E. (2012)
      Space or voxel carving is a non-invasive technique that is used to produce a 3D volume and can be used in particular for ...
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      Polynomials and graph homomorphisms 

      Garijo Royo, Delia; Goodall, Andrew; Nesetril, Jaroslav; Regts, Guus (Chapman and Hall/CRC, 2022)
      We develop in the language of graph homomorphisms the connection between the Tutte polynomial and the state models of ...