Developments in Language Theory

Invited Presentations.- Computational Processes in Living Cells: Gene Assembly in Ciliates.- Experimental Quantum Computation with Molecules.- Efficient Transformations from Regular Expressions to Finite Automata.- Extended Temporal Logic on Finite Words and Wreath Product of Monoids with Distinguished Generators.- A Remark about Quadratic Trace Equations.- Infinite Snake Tiling Problems.- Decision Problems for Linear and Circular Splicing Systems.- Finite Automata Models of Quantized Systems: Conceptual Status and Outlook.- Automata on Linear Orderings.- Contributions.- Some Properties of Ciliate Bio-operations.- On the Descriptional Complexity of Some Variants of Lindenmayer Systems.- Carriers and Counters.- On the Separation between k-Party and (k - 1)-Party Nondeterministic Message Complexities.- Unary Language Operations and Their Nondeterministic State Complexity.- Constructing Infinite Words of Intermediate Complexity.- A Space Lower Bound of Two-Dimensional Probabilistic Turing Machines.- Undecidability of Weak Bisimilarity for PA-Processes.- Improved Bounds on the Number of Automata Accepting Finite Languages.- Roots and Powers of Regular Languages.- Innermost Termination of Context-Sensitive Rewriting.- A Unique Structure of Two-Generated Binary Equality Sets.- On Deterministic Finite Automata and Syntactic Monoid Size.- An Inverse Automata Algorithm for Recognizing 2-Collapsing Words.- Efficient Algorithm for Checking Multiplicity Equivalence for the Finite Z - ?*-Automata.- Some Remarks on Asynchronous Automata.- Tiling Systems over Infinite Pictures and Their Acceptance Conditions.- The Average Lengths of the Factors of the Standard Factorization of Lyndon Words.- Circular Words Avoiding Patterns.- Safety Verification for Two-Way Finite Automata with Monotonic Counters.- An Infinite Prime Sequence Can Be Generated in Real-Time by a 1-Bit Inter-cell Communication Cellular Automaton.- On the Structure of Graphic DLI-Sets.- Finite Completion of Comma-Free