The omega-inequality problem for concatenation hierarchies of star-free languages
Authors
ALMEIDA, Jorge (620 Portugal), Ondřej KLÍMA (203 Czech Republic, guarantor, belonging to the institution) and Michal KUNC (203 Czech Republic, belonging to the institution)
The problem considered in this paper is whether an inequality of omega-terms is valid in a given level of a concatenation hierarchy of star-free languages. The main result shows that this problem is decidable for all (integer and half) levels of the Straubing-Therien hierarchy.
Links
GA15-02862S, research and development project
Name: Aplikace algebry a kombinatoriky v teorii formálních jazyků