Developments in Language Theory: 8th International Conference, DLT 2004, Auckland, New Zealand, December 13-17, Proceedings

ISBN-13: 9783540240143 / Angielski / Miękka / 2004 / 436 str.

Cristian S. Calude;Elena Calude;Michael J. Dinneen

Opis

This book constitutes the refereed proceedings of the 8th International Conference on Developments in Language Theory, DLT 2004, held in Auckland, New Zealand in December 2004.

The 30 revised full papers presented together with 5 invited papers were carefully reviewed and selected from 47 submissions. The main subjects are formal languages, automata, conventional and unconventional computation theory, and applications of automata theory. Among the topics addressed are grammars and acceptors for strings, graphs, and arrays; efficient text algorithms, combinatorial and algebraic properties of languages; decision problems; relations to complexity theory and logic; picture description and analysis; cryptography; concurrency; DNA computing; and quantum computing.

Spis treści

Invited Papers.- Recognizable Sets of Graphs, Hypergraphs and Relational Structures: A Survey.- Some New Directions and Questions in Parameterized Complexity.- Basic Notions of Reaction Systems.- A Kleene Theorem for a Class of Communicating Automata with Effective Algorithms.- Algebraic and Topological Models for DNA Recombinant Processes.- Contributed Papers.- Regular Expressions for Two-Dimensional Languages Over One-Letter Alphabet.- On Competence in CD Grammar Systems.- The Dot-Depth and the Polynomial Hierarchy Correspond on the Delta Levels.- Input Reversals and Iterated Pushdown Automata: A New Characterization of Khabbaz Geometric Hierarchy of Languages.- On the Maximum Coefficients of Rational Formal Series in Commuting Variables.- On Codes Defined by Bio-operations.- Avoidable Sets and Well Quasi-Orders.- A Ciliate Bio-operation and Language Families.- Semantic Shuffle on and Deletion Along Trajectories.- Sturmian Graphs and a Conjecture of Moser.- P Systems Working in the Sequential Mode on Arrays and Strings.- Optimal Time and Communication Solutions of Firing Squad Synchronization Problems on Square Arrays, Toruses and Rings.- The Power of Maximal Parallelism in P Systems.- An Efficient Pattern Matching Algorithm on a Subclass of Context Free Grammars.- On the Complexity of 2-Monotone Restarting Automata.- On Left-Monotone Deterministic Restarting Automata.- On the Computation Power of Finite Automata in Two-Dimensional Environments.- The Role of the Complementarity Relation in Watson-Crick Automata and Sticker Systems.- The Boolean Closure of Linear Context-Free Languages.- Context-Sensitive Decision Problems in Groups.- Decidability and Complexity in Automatic Monoids.- Relating Tree Series Transducers and Weighted Tree Automata.- An NP-Complete Fragment of LTL.- From Post Systems to the Reachability Problems for Matrix Semigroups and Multicounter Automata.- Words Avoiding -Powers and the Thue–Morse Morphism.- On the Equivalence Problem for E-Pattern Languages Over Small Alphabets.- Complementation of Rational Sets on Countable Scattered Linear Orderings.- On the Hausdorff Measure of ?-Power Languages.- A Method for Deciding the Finiteness of Deterministic Tabled Picture Languages.- Tissue P Systems with Minimal Symport/Antiport.