VOLUME 9 2004 NUMBER 1

Zoltán Ésik, Zoltán L. Németh:
Higher Dimensional Automata3–29
Zoltán Fülöp, Heiko Vogler:
Weighted Tree Transducers31–54
Ferenc Gécseg, Balázs Imreh:
On Definite and Nilpotent DR Tree Languages55–60
Giovanna Guaiana, Antonio Restivo, Sergio Salemi:
On the Trace Product and Some Families of Languages Closed Under Partial Commutations61–79
Helmut Jürgensen, Stavros Konstantinidis, Nguyen Huong Lâm:
Asymptotically Optimal Low-Cost Solid Codes81–102
Jean Néraud, Carla Selmi:
A Characterization of Complete Finite Prefix Codes in an Arbitrary Submonoid of A*103–110
Yasubumi Sakakibara, Hiroshi Imai:
A DNA-Based Computational Model Using a Specific Type of Restriction Enzymes111–119
Nicolae Santean:
Bimachines and Structurally-Reversed Automata121–146
Pascal Weil:
On the Logical Definability of Certain Graph and Poset Languages147–165