Circular splicing has been very recently introduced to model a specific recombinant behaviour of circular DNA, continuing the investigation initiated with linear splicing. In this paper we restrict our study to the relationship between regular circular languages and languages generated by finite circular splicing systems and provide some results towards a characterization of the intersection between these two classes. We consider the class of languages , called here star languages, which are closed under conjugacy relation and with being a regular language. Using automata theory and combinatorial techniques on words, we show that for a subclass of star languages the corresponding circular languages are (Paun) circular splicing languages. For example, star languages belong to this subclass when is a free monoid or is a finite set. We also prove that each (Paun) circular splicing language over a one-letter alphabet has the form , with finite sets satisfying particular hypotheses. Cyclic and weak cyclic languages, which will be introduced in this paper, show that this result does not hold when we increase the size of alphabets, even if we restrict ourselves to regular languages.
Mots clés : molecular computing, splicing systems, formal languages, automata theory, variable-length codes
@article{ITA_2004__38_3_189_0,
author = {Bonizzoni, Paola and Felice, Clelia De and Mauri, Giancarlo and Zizza, Rosalba},
title = {Circular splicing and regularity},
journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
pages = {189--228},
publisher = {EDP-Sciences},
volume = {38},
number = {3},
year = {2004},
doi = {10.1051/ita:2004010},
mrnumber = {2076400},
zbl = {1082.68048},
language = {en},
url = {http://archive.numdam.org/articles/10.1051/ita:2004010/}
}
TY - JOUR AU - Bonizzoni, Paola AU - Felice, Clelia De AU - Mauri, Giancarlo AU - Zizza, Rosalba TI - Circular splicing and regularity JO - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications PY - 2004 SP - 189 EP - 228 VL - 38 IS - 3 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/ita:2004010/ DO - 10.1051/ita:2004010 LA - en ID - ITA_2004__38_3_189_0 ER -
%0 Journal Article %A Bonizzoni, Paola %A Felice, Clelia De %A Mauri, Giancarlo %A Zizza, Rosalba %T Circular splicing and regularity %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 2004 %P 189-228 %V 38 %N 3 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ita:2004010/ %R 10.1051/ita:2004010 %G en %F ITA_2004__38_3_189_0
Bonizzoni, Paola; Felice, Clelia De; Mauri, Giancarlo; Zizza, Rosalba. Circular splicing and regularity. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 38 (2004) no. 3, pp. 189-228. doi : 10.1051/ita:2004010. http://archive.numdam.org/articles/10.1051/ita:2004010/
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