Titlebook: Computation, Cooperation, and Life; Essays Dedicated to Jozef Kelemen,Alica Kelemenová Book 2011 The Editor(s) (if applicable) and The Aut

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On Some Biologically Motivated Control Devices for Parallel RewritingThe paper investigates Watson-Crick D0L systems, mainly over the four-letter DNA alphabet. Results are obtained concerning stability versus Fibonacci numbers, as well as classes of growth functions that are not ℤ-rational.

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H. Wiehn,H. Langner,H. SchusterVictor Mitrana), Dordrecht/Boston/London: Kluwer, 2001). At the beginning of the 21st century, his scientific achievements were already impressive in all respects: emergent topics, strong interaction with the international community of computer scientists, publications in prestigious journals and at

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Hans Joachim Kölbel,Martin Schmeißerd, programmed, matrix, random context, and ordered grammars as well as some basic variants of grammar systems. Most of the general relations between graph-controlled grammars, matrix grammars, random-context grammars, and ordered grammars established in this paper are independent from the objects an

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,PreussenElektras Kampf um Größe,nted variants of CD grammar systems where the component grammars indicate their confidence level in rewriting nonterminals. We provide representations of the recursively enumerable language class in terms of ciCD grammar systems with two types of derivations based on the confidence of the components

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