Mathematical Foundations of Computer Science 2009 [electronic resource] : 34th International Symposium, MFCS 2009, Novy Smokovec, High Tatras, Slovakia, August 24-28, 2009. Proceedings / edited by Rastislav Královič, Damian Niwiński.

Invited Papers -- Four Subareas of the Theory of Constraints, and Their Links -- Synchronization of Regular Automata -- Stochastic Process Creation -- Stochastic Games with Finitary Objectives -- Stochastic Data Streams -- Recent Advances in Population Protocols -- How to Sort a Train -- Contributed Papers -- Arithmetic Circuits, Monomial Algebras and Finite Automata -- An Improved Approximation Bound for Spanning Star Forest and Color Saving -- Energy-Efficient Communication in Multi-interface Wireless Networks -- Private Capacities in Mechanism Design -- Towards a Dichotomy of Finding Possible Winners in Elections Based on Scoring Rules -- Sampling Edge Covers in 3-Regular Graphs -- Balanced Paths in Colored Graphs -- Few Product Gates But Many Zeros -- Branching Programs for Tree Evaluation -- A Dichotomy Theorem for Polynomial Evaluation -- DP-Complete Problems Derived from Extremal NP-Complete Properties -- The Synchronization Problem for Locally Strongly Transitive Automata -- Constructing Brambles -- Self-indexed Text Compression Using Straight-Line Programs -- Security and Tradeoffs of the Akl-Taylor Scheme and Its Variants -- Parameterized Complexity Classes under Logical Reductions -- The Communication Complexity of Non-signaling Distributions -- How to Use Spanning Trees to Navigate in Graphs -- Representing Groups on Graphs -- Admissible Strategies in Infinite Games over Graphs -- A Complexity Dichotomy for Finding Disjoint Solutions of Vertex Deletion Problems -- Future-Looking Logics on Data Words and Trees -- A By-Level Analysis of Multiplicative Exponential Linear Logic -- Hyper-minimisation Made Efficient -- Regular Expressions with Counting: Weak versus Strong Determinism -- Choosability of P 5-Free Graphs -- Time-Bounded Kolmogorov Complexity and Solovay Functions -- The Longest Path Problem Is Polynomial on Interval Graphs -- Synthesis for Structure Rewriting Systems -- On the Hybrid Extension of CTL and CTL?+? -- Bounds on Non-surjective Cellular Automata -- FO Model Checking on Nested Pushdown Trees -- The Prismoid of Resources -- A Dynamic Algorithm for Reachability Games Played on Trees -- An Algebraic Characterization of Semirings for Which the Support of Every Recognizable Series Is Recognizable -- Graph Decomposition for Improving Memoryless Periodic Exploration -- On FO 2 Quantifier Alternation over Words -- On the Recognizability of Self-generating Sets -- The Isomorphism Problem for k-Trees Is Complete for Logspace -- Snake-Deterministic Tiling Systems -- Query Automata for Nested Words -- A General Class of Models of -- The Complexity of Satisfiability for Fragments of Hybrid Logic—Part I -- Colouring Non-sparse Random Intersection Graphs -- On the Structure of Optimal Greedy Computation (for Job Scheduling) -- A Probabilistic PTAS for Shortest Common Superstring -- The Cost of Stability in Network Flow Games -- (Un)Decidability of Injectivity and Surjectivity in One-Dimensional Sand Automata -- Quantum Algorithms to Solve the Hidden Shift Problem for Quadratics and for Functions of Large Gowers Norm -- From Parity and Payoff Games to Linear Programming -- Partial Randomness and Dimension of Recursively Enumerable Reals -- Partial Solution and Entropy -- On Pebble Automata for Data Languages with Decidable Emptiness Problem -- Size and Energy of Threshold Circuits Computing Mod Functions -- Points on Computable Curves of Computable Lengths -- The Expressive Power of Binary Submodular Functions.