Encoding second order string ACG with Deterministic Tree Walking Transducers.

Sylvain Salvati (1)

1 SIGNES - Linguistic signs, grammar and meaning: computational logic for natural language

We show that the string languages generated by second order string ACGs are exactly the ouput languages of deterministic tree walking transducers. Furthermore this result shows that the hierarchy of languages induced by the order of the lexicons of second order ACGs collapses.

Mots clés: formal language; abstract categorial grammars; lambda calculus; linear logic; deterministic tree walking transducers

Domaines: Informatique et langage [cs.CL]

Sylvain Salvati. Encoding second order string ACG with Deterministic Tree Walking Transducers.. The 11th conference on Formal Grammar, Paola Monachesi; Gerald Penn; Giorgio Satta; Shuly Wintner, 2006, Malaga, Spain. pp.143-156. ⟨inria-00333886⟩