2 citations · 3 across the 7 of their papers we have counts for
Showing 2022Show all
2 papers · 1 filter
cs.LO2022★ 2 cited
Semantic Tree-Width and Path-Width of Conjunctive Regular Path Queries
Diego Figueira, Rémi Morvan
We show that the problem of whether a query is equivalent to a query of tree-width is decidable, for the class of Unions of Conjunctive Regular Path Queries with two-way naviga…
cs.LO2022
First-order separation over countable ordinals
Thomas Colcombet, Sam van Gool, Rémi Morvan
We show that the existence of a first-order formula separating two monadic second order formulas over countable ordinal words is decidable. This extends the work of Henckell and Al…