Word Equations and Related Topics

This volume contains papers presented at the secondInternational Workshop on Word Equations and Related Topics(IWWERT '91), held at the University ofRouen in October1991. The papers are on the following topics: general solution ofword equations, conjugacy in free inverse monoids, generalA- and AX-unification via optimized combination procedures,wordequations with two variables, a conjecture aboutconjugacy in free groups, acase of termination forassociative unification, theorem proving by combinatorialoptimization, solving string equations with constantrestriction, LOP (toward a new implementation of Makanin'salgorithm), word unification and transformation ofgeneralizedequations, unification in the combination ofdisjoint theories, on the subsets of rank two in a freemonoid (a fast decision algorithm), and a solution of thecomplement problem in associative-commutative theories.