Automata, Languages and Programming [electronic resource] : 31st International Colloquium, ICALP 2004, Turku, Finland, July 12-16, 2004, Proceedings /

Invited Talks -- Self-Adjusting Computation -- The Past, Present, and Future of Web Search Engines -- What Do Program Logics and Type Systems Have in Common? -- Feasible Proofs and Computations: Partnership and Fusion -- Grammar Compression, LZ-Encodings, and String Algorithms with Implicit Input -- Testing, Optimizaton, and Games -- Contributed Papers -- Deciding Knowledge in Security Protocols Under Equational Theories -- Representing Nested Inductive Types Using W-Types -- Algorithms for Multi-product Pricing -- Exponential Lower Bounds for the Running Time of DPLL Algorithms on Satisfiable Formulas -- Linear and Branching Metrics for Quantitative Transition Systems -- Learning a Hidden Subgraph -- Optimal Reachability for Weighted Timed Games -- Wavelength Assignment in Optical Networks with Fixed Fiber Capacity -- External Memory Algorithms for Diameter and All-Pairs Shortest-Paths on Sparse Graphs -- A ?-Calculus for Resource Separation -- The Power of Verification for One-Parameter Agents -- Group Spreading: A Protocol for Provably Secure Distributed Name Service -- Further Improvements in Competitive Guarantees for QoS Buffering -- Competition-Induced Preferential Attachment -- Approximating Longest Directed Paths and Cycles -- Definitions and Bounds for Self-Healing Key Distribution Schemes -- Tree-Walking Automata Cannot Be Determinized -- Projecting Games on Hypercoherences -- An Analog Characterization of Elementarily Computable Functions over the Real Numbers -- Model Checking with Multi-valued Logics -- The Complexity of Partition Functions -- Comparing Recursion, Replication, and Iteration in Process Calculi -- Dynamic Price Sequence and Incentive Compatibility -- The Complexity of Equivariant Unification -- Coordination Mechanisms -- Online Scheduling of Equal-Length Jobs:Randomization and Restarts Help -- Efficient Computation of Equilibrium Prices for Markets with Leontief Utilities -- Coloring Semirandom Graphs Optimally -- Sublinear-Time Approximation for Clustering Via Random Sampling -- Solving Two-Variable Word Equations -- Backtracking Games and Inflationary Fixed Points -- A PTAS for Embedding Hypergraph in a Cycle -- Towards an Algebraic Theory of Typed Mobile Processes -- Ecological Turing Machines -- Locally Consistent Constraint Satisfaction Problems -- Quantum Query Complexity of Some Graph Problems -- A Domain Theoretic Account of Picard’s Theorem -- Interactive Observability in Ludics -- Easily Refutable Subformulas of Large Random 3CNF Formulas -- On Graph Problems in a Semi-streaming Model -- Linear Tolls Suffice: New Bounds and Algorithms for Tolls in Single Source Networks -- Bounded Fixed-Parameter Tractability and log2 n Nondeterministic Bits -- Exact (Exponential) Algorithms for Treewidth and Minimum Fill-In -- Fast Parameterized Algorithms for Graphs on Surfaces: Linear Kernel and Exponential Speed-Up -- Selfish Unsplittable Flows -- A General Technique for Managing Strings in Comparison-Driven Data Structures -- Greedy Regular Expression Matching -- A Time Algorithm for d-Dimensional Protein Folding in the HP-Model -- Nash Equilibria in Discrete Routing Games with Convex Latency Functions -- Improved Results for Data Migration and Open Shop Scheduling -- Deterministic M2M Multicast in Radio Networks -- Syntactic Control of Concurrency -- Linear-Time List Decoding in Error-Free Settings -- A Categorical Model for the Geometry of Interaction -- Testing Monotonicity over Graph Products -- The Minimum-Entropy Set Cover Problem -- Communication Versus Computation -- Optimal Website Design with the Constrained Subtree Selection Problem.-Simple Permutations Mix Well -- Closest Pair Problems in Very High Dimensions -- Universality in Quantum Computation -- Approximation Algorithms for the Capacitated Minimum Spanning Tree Problem and Its Variants in Network Design -- Fairness to All While Downsizing -- A Generalisation of Pre-logical Predicates to Simply Typed Formal Systems -- A Faster Algorithm for Minimum Cycle Basis of Graphs -- The Black-Box Complexity of Nearest Neighbor Search -- Regular Solutions of Language Inequalities and Well Quasi-orders -- A Calculus of Coroutines -- Almost Optimal Decentralized Routing in Long-Range Contact Networks -- Word Problems on Compressed Words -- Complexity of Pseudoknot Prediction in Simple Models -- Property Testing of Regular Tree Languages -- Entropy as a Fixed Point -- Transparent Long Proofs: A First PCP Theorem for -- A Time Lower Bound for Satisfiability -- Some Results on Effective Randomness -- A Polynomial Quantum Query Lower Bound for the Set Equality Problem -- Succinct Representations of Functions -- A Note on Karr’s Algorithm -- The Existence and Efficient Construction of Large Independent Sets in General Random Intersection Graphs -- Efficient Consistency Proofs for Generalized Queries on a Committed Database -- A -Approximation Algorithm for Rectangle Tiling -- Extensional Theories and Rewriting -- Hardness of String Similarity Search and Other Indexing Problems -- A Syntactic Characterization of Distributive LTL Queries -- Online Scheduling with Bounded Migration -- On the Expressive Power of Monadic Least Fixed Point Logic -- Counting in Trees for Free -- Games with Winning Conditions of High Borel Complexity -- Propositional PSPACE Reasoning with Boolean Programs Versus Quantified Boolean Formulas -- LA, Permutations, and the Hajós Calculus -- A Calibration ofIneffective Theorems of Analysis in a Hierarchy of Semi-classical Logical Principles -- Efficiently Computing Succinct Trade-Off Curves -- On Randomization Versus Synchronization in Distributed Systems -- A New Algorithm for Optimal Constraint Satisfaction and Its Implications -- On the Power of Ambainis’s Lower Bounds.