, Volume 1, Issue 3, pp 209–223 | Cite as

New Topics in Colonies Theory

  • Carlos Martín-vide
  • Gheorghe Păun


A colony, as introduced by Kelemen and Kelemenová in 1992, is meant to be a grammatical model of systems composed of as simple as possible agents which cooperate in such a way that a complex behaviour emerges at the level of the system. Technically, a colony is a symbol manipulating system consisting of as simple as possible components which behave in a cooperative way such that the collective competence is strictly larger than the components' competence. We survey here some recently introduced variants and related questions: PM-colonies (with agents working by means of point mutations), families of languages associated to a colony, languages of sentential forms, classes of axioms, etc. Besides new results, several research topics and open problems are formulated.

colony formal grammar grammar system point mutation 


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Copyright information

© Kluwer Academic Publishers 1999

Authors and Affiliations

  • Carlos Martín-vide
    • 1
  • Gheorghe Păun
    • 2
  1. 1.Research Group on Mathematical Linguistics and Language Engineering (GRLMC)Rovira i Virgili University, Pl. Imperial Tàrraco 1TarragonaSpain.
  2. 2.Institute of Mathematics of the Romanian AcademyBucureştiRomania.

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