This volume contains the 75 contributed papers and the abstracts of the three invited lectures presented at the 13th Annual European Symposium on Al- rithms (ESA 2005), held in Palma de Mallorca, Spain, October 3 6, 2005. The threedistinguishedinvitedspeakerswereGiuseppeF.Italiano,CristopherMoore and Joseph (Se?) Naor. Since 2002,ESA has consisted of two tracks, with separate programcomm- tees, which dealt respectively with the designandmathematicalanalysis ofalgorithms(the DesignandAna- sis track); real-worldapplications, engineering and experimental analysis of algorithms (the Engineering and Applications track). Previous ESAs in the current two track format were held in Rome, Italy (2002);Budapest,Hungary(2003);andBergen,Norway(2004).Theproceedings of these symposia were published as Springer s LNCS volumes 2461, 2832, and 3221 respectively. Papers were solicited in all areas of algorithmic research, including but not limited to algorithmic aspects of networks, approximation and on-line al- rithms, computational biology, computational geometry, computational ?nance and algorithmic game theory, data structures, database and information - trieval, external memory algorithms, graph algorithms, graph drawing, machine learning, mobile computing, pattern matching and data compression, quantum computing, and randomized algorithms. The algorithms could be sequential, distributed, or parallel. Submissions were especially encouraged in the area of mathematical programming and operations research, including combinatorial optimization, integer programming, polyhedral combinatorics, and semide?nite programming.

Inhalt
Designing Reliable Algorithms in Unreliable Memories.- From Balanced Graph Partitioning to Balanced Metric Labeling.- Fearful Symmetries: Quantum Computing, Factoring, and Graph Isomorphism.- Exploring an Unknown Graph Efficiently.- Online Routing in Faulty Meshes with Sub-linear Comparative Time and Traffic Ratio.- Heuristic Improvements for Computing Maximum Multicommodity Flow and Minimum Multicut.- Relax-and-Cut for Capacitated Network Design.- On the Price of Anarchy and Stability of Correlated Equilibria of Linear Congestion Games,,.- The Complexity of Games on Highly Regular Graphs.- Computing Equilibrium Prices: Does Theory Meet Practice?.- Efficient Exact Algorithms on Planar Graphs: Exploiting Sphere Cut Branch Decompositions.- An Algorithm for the SAT Problem for Formulae of Linear Length.- Linear-Time Enumeration of Isolated Cliques.- Finding Shortest Non-separating and Non-contractible Cycles for Topologically Embedded Graphs.- Delineating Boundaries for Imprecise Regions.- Exacus: Efficient and Exact Algorithms for Curves and Surfaces.- Min Sum Clustering with Penalties.- Improved Approximation Algorithms for Metric Max TSP.- Unbalanced Graph Cuts.- Low Degree Connectivity in Ad-Hoc Networks.- 5-Regular Graphs are 3-Colorable with Positive Probability.- Optimal Integer Alphabetic Trees in Linear Time.- Predecessor Queries in Constant Time?.- An Algorithm for Node-Capacitated Ring Routing.- On Degree Constrained Shortest Paths.- A New Template for Solving p-Median Problems for Trees in Sub-quadratic Time.- Roll Cutting in the Curtain Industry.- Space Efficient Algorithms for the Burrows-Wheeler Backtransformation.- Cache-Oblivious Comparison-Based Algorithms on Multisets.- Oblivious vs. Distribution-Based Sorting: An Experimental Evaluation.- Allocating Memory in a Lock-Free Manner.- Generating Realistic Terrains with Higher-Order Delaunay Triangulations.- I/O-Efficient Construction of Constrained Delaunay Triangulations.- Convex Hull and Voronoi Diagram of Additively Weighted Points.- New Tools and Simpler Algorithms for Branchwidth.- Treewidth Lower Bounds with Brambles.- Minimal Interval Completions.- A 2-Approximation Algorithm for Sorting by Prefix Reversals.- Approximating the 2-Interval Pattern Problem.- A Loopless Gray Code for Minimal Signed-Binary Representations.- Efficient Approximation Schemes for Geometric Problems?.- Geometric Clustering to Minimize the Sum of Cluster Sizes.- Approximation Schemes for Minimum 2-Connected Spanning Subgraphs in Weighted Planar Graphs.- Packet Routing and Information Gathering in Lines, Rings and Trees.- Jitter Regulation for Multiple Streams.- Efficient c-Oriented Range Searching with DOP-Trees.- Matching Point Sets with Respect to the Earth Mover's Distance.- Small Stretch Spanners on Dynamic Graphs.- An Experimental Study of Algorithms for Fully Dynamic Transitive Closure.- Experimental Study of Geometric t-Spanners.- Highway Hierarchies Hasten Exact Shortest Path Queries.- Preemptive Scheduling of Independent Jobs on Identical Parallel Machines Subject to Migration Delays.- Fairness-Free Periodic Scheduling with Vacations.- Online Bin Packing with Cardinality Constraints.- Fast Monotone 3-Approximation Algorithm for Scheduling Related Machines.- Engineering Planar Separator Algorithms.- Stxxl: Standard Template Library for XXL Data Sets.- Negative Cycle Detection Problem.- An Optimal Algorithm for Querying Priced Information: Monotone Boolean Functions and Game Trees.- Online View Maintenance Under a Response-Time Constraint.- Online Primal-Dual Algorithms for Coveringand Packing Problems.- Efficient Algorithms for Shared Backup Allocation in Networks with Partial Information.- Using Fractional Primal-Dual to Schedule Split Intervals with Demands.- An Approximation Algorithm for the Minimum Latency Set Cover Problem.- Workload-Optimal Histograms on Streams.- Finding Frequent Patterns in a String in Sublinear Time.- Online Occlusion Culling.- Shortest Paths in Matrix Multiplication Time.- Computing Common Intervals of K Permutations, with Applications to Modular Decomposition of Graphs.- Greedy Routing in Tree-Decomposed Graphs.- Making Chord Robust to Byzantine Attacks.- Bucket Game with Applications to Set Multicover and Dynamic Page Migration.- Bootstrapping a Hop-Optimal Network in the Weak Sensor Model.- Approximating Integer Quadratic Programs and MAXCUT in Subdense Graphs.- A Cutting Planes Algorithm Based Upon a Semidefinite Relaxation for the Quadratic Assignment Problem.- Approximation Complexity of min-max (Regret) Versions of Shortest Path, Spanning Tree, and Knapsack.- Robust Approximate Zeros.- Optimizing a 2D Function Satisfying Unimodality Properties.