collaborators

1 paper

cs.FL2014

The Emptiness Problem for Tree Automata with at Least One Disequality Constraint is NP-hard

P. -C Héam, V. Hugot, O. Kouchnarenko

The model of tree automata with equality and disequality constraints was introduced in 2007 by Filiot, Talbot and Tison. In this paper we show that if there is at least one disequa…