RAIRO-Theor. Inf. Appl.
Volume 42, Number 3, July-September 2008JM'06
|Page(s)||525 - 537|
|Published online||03 June 2008|
Parikh test sets for commutative languages
Charles University, Faculty of Mathematics and Physics, Department of Algebra, Sokolovská 83, 175 86 Praha, Czech Republic;
A set T ⊆ L is a Parikh test set of L if c(T) is a test set of c(L). We give a characterization of Parikh test sets for arbitrary language in terms of its Parikh basis, and the coincidence graph of letters.
Mathematics Subject Classification: 68R15
Key words: Combinatorics on words / test sets / commutative languages.
© EDP Sciences, 2008
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