Unification and Projectivity in De Morgan and Kleene Algebras
arXiv:1401.3576 · doi:10.1007/s11083-013-9295-3
Abstract
We provide a complete classification of solvable instances of the equational unification problem over De Morgan and Kleene algebras with respect to unification type. The key tool is a combinatorial characterization of finitely generated projective De Morgan and Kleene algebras.