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  • Publication . Conference object . 2009
    Open Access
    Authors: 
    Paun, Gheorghe;
    Publisher: Fénix Editora
    Country: Spain

    A few open problems and research topics collected during the 7th Brain- storming Week on Membrane Computing are briefly presented; further details can be found in the papers included in the volume. Junta de Andalucía P08 – TIC 04200

  • Open Access English
    Authors: 
    Paun, Gheorghe; Pérez Jiménez, Mario de Jesús;
    Publisher: Taylor and Francis
    Country: Spain

    Ministerio de Ciencia e Innovación TIN2009–13192 Junta de Andalucía P08-TIC-04200

  • Open Access
    Authors: 
    Paun, Gheorghe;
    Publisher: Fénix Editora
    Country: Spain

    P systems are computing models inspired by the structure and the function- ing of the living cells; they are the basic computing devices of membrane computing, a branch of natural computing. The present note is an overview of results and open prob- lems related to the b...

  • Publication . Conference object . 2011
    Open Access English
    Authors: 
    Gutiérrez Naranjo, Miguel Ángel; Pérez Jiménez, Mario de Jesús;
    Publisher: Fénix Editora
    Country: Spain

    Local search is currently one of the most used methods for finding solution in real-life problems. In this paper we present an implementation of local search with Membrane Computing techniques applied to the N-queens problem as a case study. A CLIPS program inspired in ...

  • Publication . Conference object . 2009
    Open Access English
    Authors: 
    Gutiérrez Naranjo, Miguel Ángel; Pérez Jiménez, Mario de Jesús;
    Publisher: Fénix Editora
    Country: Spain

    Searching all the configurations C′ such that produce a given configuration C, or, in other words, computing backwards in Membrane Computing is an extremely hard task. The current approximations are based in heavy hand-made calculus by considering the specific features ...

  • Publication . Part of book or chapter of book . 2011
    Open Access
    Authors: 
    Gheorghe Paun; Mario J. Pérez-Jiménez;
    Publisher: Springer
    Country: Spain

    This is a quick survey of basic notions and results related to P automata (P systems with symport/antiport rules working in the accepting mode), with some emphasis on the recently introduced dP automata (a distributed version of the standard P automata), ending with som...

  • Publication . Conference object . 2009
    Open Access
    Authors: 
    Gutiérrez Naranjo, Miguel Ángel; Martínez del Amor, Miguel Ángel; Pérez Hurtado de Mendoza, Ignacio; Pérez Jiménez, Mario de Jesús;
    Publisher: Fénix Editora
    Country: Spain

    The N-queens puzzle consists on placing N queens on an N x Ngrid in such way that no two queens are on the same row, column or diagonal line. In this paper we present a family of P systems with active membranes (one P system for each value of N) that provides all the po...

  • Open Access English
    Authors: 
    Peña Cantillana, Francisco; Díaz Pernil, Daniel; Christinal, Hepzibah A.; Gutiérrez Naranjo, Miguel Ángel;
    Publisher: Fénix Editora
    Country: Spain

    Smoothing is often used in Digital Imagery to reduce noise within an image. In this paper we present a Membrane Computing algorithm for smoothing 2D images in the framework of tissue-like P systems. The algorithm has been implemented by using a novel device architecture...

  • Open Access English
    Authors: 
    Hepzibah A. Christinal; Daniel Díaz-Pernil; Pedro Real;
    Publisher: IEEE Computer Society
    Country: Spain

    Membrane Computing is a new paradigms inspired from cellular communication. We use in this paper the computational devices called P systems to calculate in a general maximally parallel manner the homology groups of binary 2D images. So, the computational time to calcula...

  • Open Access English
    Authors: 
    Carnero Iglesias, Javier; Díaz Pernil, Daniel; Gutiérrez Naranjo, Miguel Ángel;
    Publisher: Fénix Editora
    Country: Spain

    Problems associated with the treatment of digital images have several interesting features from a bio-inspired point of view. One of them is that they can be suitable for parallel processing, since the same sequential algorithm is usually applied in different regions of...