• Ponencia
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      A Formal Framework for P Systems with Dynamic Structure 

      Freund, Rudolf; Pérez Hurtado de Mendoza, Ignacio; Riscos Núñez, Agustín; Verlan, Sergey (Fénix Editora, 2012)
      This article introduces a formalism/framework able to describe different variants of P systems having a dynamic structure. ...
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      A Note on the Probabilistic Evolution for P Systems 

      Verlan, Sergey (Fénix Editora, 2012)
      In this note we propose a method that permits to describe in a uniform man- ner variants of probabilistic/stochastic P systems. We give examples of such a description for existing models of P systems using probabilities.
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      P Systems with Minimal Left and Right Insertion and Deletion 

      Freund, Rudolf; Rogozhin, Yurii; Verlan, Sergey (Fénix Editora, 2012)
      In this article we investigate the operations of insertion and deletion performed at the ends of a string. We show that ...