| 2000 | Developments in Language Theory, Foundations, Applications, and Perspectives, Aachen, Germany, 6-9 July 1999 Grzegorz Rozenberg, Wolfgang Thomas |
| 1999 | A non-ambiguous language factorization problem. Marcella Anselmo |
| 1999 | Asynchronous sliding block maps. Marie-Pierre Béal, Olivier Carton |
| 1999 | Bidirectional parsing for linear languages. Stefan Andrei, Manfred Kudlek |
| 1999 | Bisimulations and behaviour of nondeterministic automata. Cristian Calude, Elena Calude |
| 1999 | Caterpillars, context, tree automata and tree pattern matching. Anne Brüggemann-Klein, Derick Wood |
| 1999 | Characterization of a word by its subwords. Ján Manuch |
| 1999 | Computation = self-assembly + conformational change: toward new computing paradigms. Takashi Yokomori |
| 1999 | Contextual grammars with trajectories. Carlos Martín-Vide, Alexandru Mateescu |
| 1999 | Cooperating distributed grammar systems with non-terminating components. Henning Bordihn, Markus Holzer |
| 1999 | Decidability of code properties. Henning Fernau, Klaus Reinhardt, Ludwig Staiger |
| 1999 | Defect theorems for trees. Juhani Karhumäki, Sabrina Mantaci |
| 1999 | Deterministic forgetting planar automata are more powerful than non-deterministic finite-state planar automata. Petr Jiricka, Jaroslav Král |
| 1999 | Exponential ambiguity of context-free grammars. Klaus Wich |
| 1999 | Functions preserving classes of languages. Pavel Kveton, Václav Koubek |
| 1999 | New problems of pattern avoidance. John Loftus, Jeffrey O. Shallit, Ming-wei Wang |
| 1999 | On decidability of boundedness property for regular path queries. Yves Andre, Francis Bossut, Anne-Cécile Caron |
| 1999 | On fixed and general membership for external and internal contextual languages. Markus Holzer |
| 1999 | On semilinearity in formal power series. Ion Petre |
| 1999 | On tally languages and generalized interacting automata. Thomas Buchholz, Andreas Klein, Martin Kutrib |
| 1999 | On the complexity of computing the order of repetition of a string. Juhani Karhumäki, Wojciech Plandowski |
| 1999 | On the decomposition of finite languages. Arto Salomaa, Sheng Yu |
| 1999 | Restarting automata, Church-Rosser languages, and representations of r.e. languages. Gundula Niemann, Friedrich Otto |
| 1999 | Right and left strongly locally testable semigroups and languages. José Ruiz, Pedro García |
| 1999 | Slender matrix languages. Ralf Stiebe |
| 1999 | Special factors in some combinational structures. Arturo Carpi, Aldo de Luca, Stefano Varricchio |
| 1999 | Substitutions from Rauzy induction (extended abstract). Luis-Miguel Lopez, Philippe Narbel |
| 1999 | Subword complexity and periodicity in two or more dimensions. Julien Cassaigne |
| 1999 | Table-driven and context-sensitive collage languages. Frank Drewes, Renate Klempien-Hinrichs, Hans-Jörg Kreowski |
| 1999 | Test tube systems: when two tubes are enough. Rudolf Freund, Franziska Freund |
| 1999 | Weak cyclic forms of rw-automata. Martin Plátek |
| 1999 | Yakyak: parsing with logical side constraints. Nils Klarlund, Niels Damgaard, Michael I. Schwartzbach |