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      Antimatter as a Frontier of Tractability in Membrane Computing 

      Díaz Pernil, Daniel; Peña Cantillana, Francisco; Gutiérrez Naranjo, Miguel Ángel (Fénix Editora, 2014)
      It is well known that the polynomial complexity class of recognizer polarizationless P systems with active membranes, ...
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      Computing and reducing slope complexes 

      Kropatsch, Walter G.; Moreno Casablanca, Rocío; Batavia, Darshan; González Díaz, Rocío (Springer, 2019)
      In this paper we provide a new characterization of cell de- composition (called slope complex) of a given 2-dimensional ...
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      Computing Optimal Shortcuts for Networks 

      Garijo Royo, Delia; Márquez Pérez, Alberto; Rodríguez, Natalia; Silveira, Rodrigo I. (Dagsthul Publishing, 2018)
      We study augmenting a plane Euclidean network with a segment, called shortcut, to minimize the largest distance between ...
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      One More Step Towards Well-Composedness of Cell Complexes over nD Pictures 

      Boutry, Nicolas; González Díaz, Rocío; Jiménez Rodríguez, María José (Springer, 2019)
      An nD pure regular cell complex K is weakly well-composed (wWC) if, for each vertex v of K, the set of n-cells incident ...
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      Parallel Homology Computation of Meshes 

      Damiand, Guillaume; González Díaz, Rocío (Springer, 2016)
      In this paper, we propose a method to compute, in parallel, the homology groups of closed meshes (i.e., orientable 2D ...
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      Persistent Homology Computation Using Combinatorial Map Simplification 

      Damiand, Guillaume; González Díaz, Rocío (Springer, 2019)
      We propose an algorithm for persistence homology computation of orientable 2-dimensional (2D) manifolds with or without ...
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      Persistent homology-based gait recognition robust to upper body variations 

      Lamar León, Javier; Alonso Baryolo, Raúl; García Reyes, Edel; González Díaz, Rocío (IEEE Computer Society, 2016)
      Gait recognition is nowadays an important biometric technique for video surveillance tasks, due to the advantage of using ...
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      Self-constructing Recognizer P Systems 

      Díaz Pernil, Daniel; Peña Cantillana, Francisco; Gutiérrez Naranjo, Miguel Ángel (Fénix Editora, 2014)
      Usually, the changes produced in the membrane structure of a P system are considered side effects. The output of the ...
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      Solving SAT with Antimatter in Membrane Computing 

      Díaz Pernil, Daniel; Alhazov, Artiom; Freund, Rudolf; Gutiérrez Naranjo, Miguel Ángel (Fénix Editora, 2015)
      The set of NP-complete problems is split into weakly and strongly NP- complete ones. The di erence consists in the in uence ...
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      Studying the Chlorophyll Fluorescence in Cyanobacteria with Membrane Computing Techniques 

      Ardelean, Ioan I.; Díaz Pernil, Daniel; Gutiérrez Naranjo, Miguel Ángel; Peña Cantillana, Francisco; Sarchizian, Iris (Fénix Editora, 2013)
      In this paper, we report a pioneer study of the decrease in chlorophyll uorescence produced by the reduction of MTT (a ...
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      The chamber complex for the Littlewood-Richardson coefficients of GL4 

      Briand, Emmanuel; Rosas Celis, Mercedes Helena; Trandafir, Stefan (Universidad de Sevilla, 2020)
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      Witness-Bar Visibility Graphs 

      Cortés Parejo, María del Carmen; Hurtado, Ferrán; Márquez Pérez, Alberto; Valenzuela Muñoz, Jesús (Instituto de Matemáticas de la UNAM, 2013)
      Bar visibility graphs were introduced in the seventies as a model for some VLSI layout problems. They have been also ...