Volume 146, Number 1, February 2005
: A note on identities of two-dimensional languages.
: Complexity of the directed spanning cactus problem.
Amine El Sahili
: A characterization problem on underlying graphs of line digraphs.
Volume 146, Number 2, March 2005
12th Annual Symposium on Combinatorial Pattern Matching
Volume 146, Number 3, March 2005
: Recognition and computation of minimal triangulations for AT-free claw-free and co-comparability graphs.
: Minimization of ordered, symmetric half-products.