Sommaire du Fascicule no. 1

Preface
The globals of pseudovarieties of ordered semigroups containing B 2 and an application to a problem proposed by Pin
The pseudovariety of semigroups of triangular matrices over a finite field
Hereditary properties of words
Gate circuits in the algebra of transients
On the number of dissimilar pfaffian orientations of graphs
Similarity relations and cover automata
Some decision problems on integer matrices
Finding H-partitions efficiently
The perfection and recognition of bull-reducible Berge graphs
Some decompositions of Bernoulli sets and codes
A sparse dynamic programming algorithm for alignment with non-overlapping inversions
A note on the Size-Ramsey number of long subdivisions of graphs
Episturmian morphisms and a Galois theorem on continued fractions
How expressions can code for automata
Some results on 𝒞-varieties
Parity codes
Krohn-Rhodes complexity pseudovarieties are not finitely based
Imre Simon : an exceptional graduate student
Algebraic and graph-theoretic properties of infinite n-posets

Sommaire du Fascicule no. 2

Hierarchies of weakly monotone restarting automata
Integers with a maximal number of Fibonacci representations
A metric for evaluating software architecture and communication models consistency
Complexity results for prefix grammars
Efficient simulation of synchronous systems by multi-speed systems

Sommaire du Fascicule no. 3

Foreword
Denotational aspects of untyped normalization by evaluation
Distance desert automata and the star height problem
Adhesive and quasiadhesive categories
Polynomials over the reals in proofs of termination : from theory to practice
Bisimulation on speed : lower time bounds

Sommaire du Fascicule no. 4

The entropy of Łukasiewicz-languages
Languages of finite words occurring infinitely many times in an infinite word
Note sur les relations entre les racines d'un polynôme réductible
Equality sets for recursively enumerable languages
On maximal QROBDD's of boolean functions
One-way communication complexity of symmetric boolean functions