Combinatorics on Words

Invited Papers: Minimal Complexities for Infinite Words Written with d Letters.- Alternate Base Numeration Systems.- On the number of distinct squares in finite sequences: some old and new results. Contributed Papers: Ranking and Unranking k-Subsequence Universal Words.- Longest common subsequence with gap constraints.- On Substitutions Preserving their Return Sets.- Recurrence and frequencies.- Sturmian and infinitely desubstitutable words accepted by an ?-automaton.- String attractors for factors of the Thue-Morse word.- Critical exponent of Arnoux-Rauzy sequences.- On a class of 2-balanced sequences.- Order conditions for languages.- On Sensitivity of Compact Directed Acyclic Word Graphs.- Smallest and Largest Block Palindrome Factorizations.- String attractors of fixed points of k-bonacci-like morphisms.- Magic Numbers in Periodic Sequences.- Dyck Words, Pattern Avoidance,and Automatic Sequences.- Rudin-Shapiro Sums Via Automata Theory and Logic.- Automaticity and Parikh-collinear morphisms.- On the solution sets of entire systems of word equations.- On arch factorization and subword universality for words and compressed words.- Characteristic sequences of the sets of sums of squares as columns of cellular automata.