Table of contents : PROCEEDINGS OF THE EIGHTEENTH ANNUAL ACM-SIAM SYMPOSIUM ON DISCRETE ALGORITHMS......Page 1 CONTENTS......Page 4 PREFACE......Page 14 ACKNOWLEDGMENTS......Page 15 Region-Fault Tolerant Geometric Spanners......Page 18 Compacting cuts:a new linear formulation for minimum cut......Page 60 Multiple Source Shortest Paths in a Genus g Graph......Page 106 Analytic Combinatorics A Calculus of Discrete Structures......Page 154 Equilibria in Online Games......Page 166 Better Online Buffer Management......Page 216 Minimizing Movement......Page 275 Model-driven Optimization using Adaptive Probes......Page 325 An unbiased pointing operator for unlabeled structures, with applications to counting and sampling......Page 373 Deterministic pivoting algorithms for constrained ranking and clustering problems......Page 422 An Elementary Construction of Constant-Degree Expanders......Page 471 Embedding Metrics into Ultrametrics and Graphs into Spanning Trees with Constant Average Distortion......Page 519 Resilient Search Trees......Page 564 Testing for a theta......Page 612 Deterministic rendezvous, treasure hunts and strongly universal exploration sequences......Page 616 Approximating the Spanning Star Forest Problem and Its Applications to Genomic Sequence Alignment......Page 662 A Network Formation Game for Bipartite Exchange Economies......Page 714 On Bregman Voronoi Diagrams......Page 763 Energy Efficient Online Deadline Scheduling......Page 812 Maximum s-t-flow with k crossings in O(k3nlog n) time......Page 860 Noisy binary search and its applications......Page 898 Semi-oblivious Routing: Lower Bounds......Page 946 All-Pairs Bottleneck Paths in Vertex Weighted Graphs......Page 995 Combinatorial Algorithms for Web Search Engines - Three Success Stories......Page 1039 k-means++: The Advantages of Careful Seeding......Page 1044 Reconstruction Using Witness Complexes......Page 1093 Games of fixed rank: A hierarchy of bimatrix games......Page 1141 The Independent Even Factor Problem......Page 1188 Quantum Algorithms for Simon's Problem Over General Groups......Page 1234 Approximation Algorithms for Node-Weighted Buy-at-Bulk Network Design......Page 1282 AUTHOR INDEX......Page 1332