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Bio-Inspired Computing: Theories and Applications, International Conference on (2011)
Penang, Malaysia
Sept. 27, 2011 to Sept. 29, 2011
ISBN: 978-0-7695-4514-1
pp: 194-198
Motivated by the studies on Watson-Crick finite automata and Watson-Crick L systems, we introduce a generative device known as a Watson-Crick context-free system (WKCFS) making use of a complementarity relation and a context-free type of rewriting on double-stranded strings with the symbols in the string in the lower strand complementary to the symbols of the string in the upper strand. The language generated by a WKCFS is the set of all strings in the upper strands of the double-stranded strings (u, v) generated such that the strings u, v are of the same length and the corresponding symbols in the strings u, v are related by the complementarity relation. We compare the generative power of WKCFS with some families of languages and also certain variants of Watson-Crick finite automata.
Watson-Crick complementarity, Watson-Crick finite automaton, Context-free language, Regular language, Pure context-free grammar

K. Mahalingam, I. Venkat and K. Subramanian, "Context-Free Systems with a Complementarity Relation," Bio-Inspired Computing: Theories and Applications, International Conference on(BIC-TA), Penang, Malaysia, 2011, pp. 194-198.
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