Descriptional Complexity of Formal Systems

Mutually Accepting Capacitated Automata.- Bad pictures: some structural properties related to overlaps.- Regular Expression Length via Arithmetic Formula Complexity.- Crisp-determinization of Weighted Tree Automata over Additively Locally Finite and Past-finite Monotonic Strong Bimonoids is Decidable.- On the Power of Generalized Forbidding Insertion-Deletion Systems.- State Complexity Bounds for the Commutative Closure of Group Languages.- Multiple Concatenation and State Complexity (Extended Abstract).- Combining Limited Parallelism and Nondeterminism in Alternating Finite Automata.- Longer shortest strings in two-way finite automata.- Iterated Uniform Finite-State Transducers: Descriptional Complexity of Nondeterminism and Two-Way Motion.- Descriptional Complexity of Winning Sets of Regular Languages.- State complexity of GF(2)-inverse and GF(2)-star on binary languages.- Complexity of Two-dimensional Rank-reducing Grammars.- Palindromic Length of Words with Many Periodic Palindromes.- Operational Complexity of Straight Line Programs for Regular Languages.- Classifying ω-Regular Aperiodic k-Partitions.- Recognition and Complexity Results for Projection Languages of Two-Dimensional Automata.- On the Generative Power of Quasiperiods.- Insertion-Deletion Systems With Substitutions II.