Volume 40 (2006) no. 2

Table of contents

Preface
p. v-xiii
Entropy generation in a model of reversible computation
p. 93-105
Increasing integer sequences and Goldbach's conjecture
p. 107-121
Eye localization for face recognition
p. 123-139
Complexity classes for membrane systems
p. 141-162
Characterization of lung tumor subtypes through gene expression cluster validity assessment
p. 163-176
Different time solutions for the firing squad synchronization problem on basic grid networks
p. 177-206
Probabilistic models for pattern statistics
p. 207-225
Graph fibrations, graph isomorphism, and pagerank
p. 227-253
Decision problems among the main subfamilies of rational relations
p. 255-275
Unambiguous recognizable two-dimensional languages
p. 277-293
On the simplest centralizer of a language
p. 295-301
String distances and intrusion detection : bridging the gap between formal languages and computer security
p. 303-313
Quantum finite automata with control language
p. 315-332
A survey on transitivity in discrete time dynamical systems. Application to symbolic systems and related languages
p. 333-352
Towards a theory of practice in metaheuristics design : a machine learning perspective
p. 353-369
Solving maximum independent set by asynchronous distributed hopfield-type neural networks
p. 371-388
A distributed voting scheme to maximize preferences
p. 389-403