STACS 2006 [electronic resource] : 23rd Annual Symposium on Theoretical Aspects of Computer Science, Marseille, France, February 23-25, 2006, Proceedings /

The Ubiquitous Digital Tree -- Flat Holonomies on Automata Networks -- Interprocedurally Analyzing Polynomial Identities -- External String Sorting: Faster and Cache-Oblivious -- Amortized Rigidness in Dynamic Cartesian Trees -- Distribution-Sensitive Construction of Minimum-Redundancy Prefix Codes -- On Critical Exponents in Fixed Points of Binary k-Uniform Morphisms -- Equivalence of -Algebras and Cubic Forms -- Complete Codes in a Sofic Shift -- Kolmogorov Complexity with Error -- Kolmogorov Complexity and the Recursion Theorem -- Entanglement in Interactive Proof Systems with Binary Answers -- Quantum Algorithms for Matching and Network Flows -- The Number of Runs in a String: Improved Analysis of the Linear Upper Bound -- Estimating Entropy and Entropy Norm on Data Streams -- Pay Today for a Rainy Day: Improved Approximation Algorithms for Demand-Robust Min-Cut and Shortest Path Problems -- Exact Price of Anarchy for Polynomial Congestion Games -- Oblivious Symmetric Alternation -- Combining Multiple Heuristics -- Conflict-Free Colorings of Rectangles Ranges -- Grid Vertex-Unfolding Orthogonal Polyhedra -- Theory and Application of Width Bounded Geometric Separator -- Invariants of Automatic Presentations and Semi-synchronous Transductions -- On the Accepting Power of 2-Tape Büchi Automata -- Weighted Picture Automata and Weighted Logics -- Markov Decision Processes with Multiple Objectives -- The Algorithmic Structure of Group Strategyproof Budget-Balanced Cost-Sharing Mechanisms -- Convergence and Approximation in Potential Games -- Fast FPT-Algorithms for Cleaning Grids -- Tradeoffs in Depth-Two Superconcentrators -- On Hypergraph and Graph Isomorphism with Bounded Color Classes -- Forbidden Substrings, Kolmogorov Complexity and Almost Periodic Sequences -- Online Learning andResource-Bounded Dimension: Winnow Yields New Lower Bounds for Hard Sets -- Regularity Problems for Visibly Pushdown Languages -- Regular Expressions and NFAs Without ?-Transitions -- Redundancy in Complete Sets -- Sparse Selfreducible Sets and Polynomial Size Circuit Lower Bounds -- Linear Advice for Randomized Logarithmic Space -- Nested Pebbles and Transitive Closure -- Definability of Languages by Generalized First-Order Formulas over (N,+) -- Generalized Modal Satisfiability -- Strategy Improvement and Randomized Subexponential Algorithms for Stochastic Parity Games -- DAG-Width and Parity Games -- Reliable Computations Based on Locally Decodable Codes -- Convergence of Autonomous Mobile Robots with Inaccurate Sensors and Movements -- A Faster Algorithm for the Steiner Tree Problem -- Generating Randomized Roundings with Cardinality Constraints and Derandomizations -- Online Sorting Buffers on Line -- Optimal Node Routing -- Memoryless Facility Location in One Pass -- Energy-Efficient Algorithms for Flow Time Minimization -- Efficient Qualitative Analysis of Classes of Recursive Markov Decision Processes and Simple Stochastic Games -- Datalog and Constraint Satisfaction with Infinite Templates -- Evaluating Monotone Circuits on Cylinders, Planes and Tori -- Constant-Depth Circuits for Arithmetic in Finite Fields of Characteristic Two -- Weighted Asynchronous Cellular Automata -- On the Complexity of the “Most General” Firing Squad Synchronization Problem.