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      Computation of Ramsey Numbers by P Systems with Active Membranes  [Article]

      Pan, Linqiang; Díaz Pernil, Daniel; Pérez Jiménez, Mario de Jesús (World Scientific, 2011)
      Ramsey numbers deal with conditions when a combinatorial object necessarily contains some smaller given objects. It is well known that it is very difficult to obtain the values of Ramsey numbers. In this work, a theoretical ...