On the subword complexity and square-freeness of formal languages --; Cycle-free IN-algebraic systems --; On the height of syntactical graphs --; Boolean functions whose monotone complexity is of size n2/log n --; Netzwerke zur simultanen Berechnung Boolescher Funktionen (Ausführliche Kurzfassung) --; The computational complexity of bilinear multiplications --; P --; complete problems in free groups --; Quelques proprietes des langages a un Compteur --; Un resultat de discontinuite dans les familles de langages --; Verallgemeinerte kommutative Sprachen --; Ein rein automatentheoretischer Aufbau der Theorie der kontext-freien Sarachen --; Un analogue du theoreme des varietes pour les cones et les cylindres --; A family of graphs with expensive depth-reduction --; On?-balanced binary search trees --; Erzeugung optimalen Codes für Series --; Parallel Graphs --; Recent directions in algorithmic research --; Dynamic k-dimensional multiway search under time-varying access frequencies --; Some applications of CFL's over infinite alphabets --; A decidable property of iterated morphisms --; Prefix-preservation for rational partial functions is decidable --; Concurrency and automata on infinite sequences --; An effective retract calculus --; Recursion and complexity theory on CPO-S --; Computable algebras, word problems and canonical term algebras --; Reachability analysis with assertion systems --; Dynamization of decomposable searching problems yielding good worst-case bounds --; Robust balancing in B-trees --; Centers of languages --; (Erasing)* strings.