On the Complexity of the Tiden-Arnborg Algorithm for Unification modulo One-Sided Distributivity
arXiv:1012.4894 · doi:10.4204/EPTCS.42.5
Abstract
We prove that the Tiden and Arnborg algorithm for equational unification modulo one-sided distributivity is not polynomial time bounded as previously thought. A set of counterexamples is developed that demonstrates that the algorithm goes through exponentially many steps.
In Proceedings UNIF 2010, arXiv:1012.4554