LATA
2011
Springer
12 years 7 months ago
2011
Springer
In this paper we propose a hierarchy of classes of languages, generated by networks of evolutionary processors with the filters in several special classes of regular sets. More p...
FOSSACS
2011
Springer
12 years 8 months ago
2011
Springer
We describe a general decomposition mechanism to express the derivation relation of a word rewriting system R as the composition of a (regular) substitution followed by the derivat...