Fundamentals of Computation Theory

Approximability 1.- Proving Integrality Gaps without Knowing the Linear Program.- An Improved Analysis of Goemans and Williamson's LP-Relaxation for MAX SAT.- Certifying Unsatisfiability of Random 2k-SAT Formulas Using Approximation Techniques.- Approximability 2.- Inapproximability Results for Bounded Variants of Optimization Problems.- Approximating the Pareto Curve with Local Search for the Bicriteria TSP(1,2) Problem.- Scheduling to Minimize Max Flow Time: Offline and Online Algorithms.- Algorithms 1.- Linear Time Algorithms for Some NP-Complete Problems on (P 5,Gem)-Free Graphs.- Graph Searching, Elimination Trees, and a Generalization of Bandwidth.- Constructing Sparse t-Spanners with Small Separators.- Composing Equipotent Teams.- Algorithms 2.- Efficient Algorithms for GCD and Cubic Residuosity in the Ring of Eisenstein Integers.- An Extended Quadratic Frobenius Primality Test with Average and Worst Case Error Estimates.- Periodic Multisorting Comparator Networks.- Fast Periodic Correction Networks.- Networks and Complexity.- Games and Networks.- One-Way Communication Complexity of Symmetric Boolean Functions.- Circuits on Cylinders.- Computational Biology.- Fast Perfect Phylogeny Haplotype Inference.- On Exact and Approximation Algorithms for Distinguishing Substring Selection.- Complexity of Approximating Closest Substring Problems.- Computational Geometry.- On Lawson's Oriented Walk in Random Delaunay Triangulations.- Competitive Exploration of Rectilinear Polygons.- An Improved Approximation Algorithm for Computing Geometric Shortest Paths.- Adaptive and Compact Discretization for Weighted Region Optimal Path Finding.- On Boundaries of Highly Visible Spaces and Applications.- Computational Models and Complexity.- Membrane Computing.- Classical SimulationComplexity of Quantum Machines.- Using Depth to Capture Average-Case Complexity.- Structural Complexity.- Non-uniform Depth of Polynomial Time and Space Simulations.- Dimension- and Time-Hierarchies for Small Time Bounds.- Baire's Categories on Small Complexity Classes.- Formal Languages.- Operations Preserving Recognizable Languages.- Languages Defined by Generalized Equality Sets.- Context-Sensitive Equivalences for Non-interference Based Protocol Analysis.- On the Exponentiation of Languages.- Kleene's Theorem for Weighted Tree-Automata.- Logic.- Weak Cardinality Theorems for First-Order Logic.- Compositionality of Hennessy-Milner Logic through Structural Operational Semantics.- On a Logical Approach to Estimating Computational Complexity of Potentially Intractable Problems.