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20th SODA 2009: New York, NY, USA
- Claire Mathieu:

Proceedings of the Twentieth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2009, New York, NY, USA, January 4-6, 2009. SIAM 2009, ISBN 978-0-89871-680-1 - Gabriel Nivasch

:
Improved bounds and new techniques for Davenport-Schinzel sequences and their generalizations. 1-10 - Ashish Goel, Michael Kapralov

, Sanjeev Khanna:
Perfect matchings via uniform sampling in regular bipartite graphs. 11-17 - Ashish Goel, Sanjeev Khanna, Brad Null:

The ratio index for budgeted learning, with applications. 18-27 - Sudipto Guha, Kamesh Munagala

, Peng Shi
:
Approximation algorithms for restless bandit problems. 28-37 - Elad Hazan, Satyen Kale:

Better algorithms for benign bandits. 38-47 - Colin Cooper, Alan M. Frieze:

The cover time of random geometric graphs. 48-57 - Ilia Binder, Mark Braverman:

The complexity of simulating Brownian Motion. 58-67 - Sergi Elizalde, Peter Winkler:

Sorting by placement and shift. 68-75 - Sam Greenberg, Amanda Pascoe, Dana Randall:

Sampling biased lattice configurations using exponential metrics. 76-85 - Frédéric Magniez, Ashwin Nayak, Peter C. Richter, Miklos Santha:

On the hitting times of quantum versus random walks. 86-95 - Alon Shalita, Uri Zwick:

Efficient algorithms for the 2-gathering problem. 96-105 - Michael Molloy, Bruce A. Reed:

Asymptotically optimal frugal colouring. 106-114 - Stéphan Thomassé:

A quadratic kernel for feedback vertex set. 115-119 - Zdenek Dvorák, Daniel Král, Robin Thomas:

Coloring triangle-free graphs on surfaces. 120-129 - Michael Drmota, Wojciech Szpankowski:

(Un)expected behavior of digital search tree profile. 130-138 - Michael I. Jordan:

Combinatorial stochastic processes and nonparametric Bayesian modeling. 139 - Timothy M. Chan:

Comparison-based time-space lower bounds for selection. 140-149 - David Eppstein, Michael T. Goodrich

, Darren Strash
:
Linear-time algorithms for geometric graphs with sublinearly many crossings. 150-159 - David Eppstein, Elena Mumford:

Self-overlapping curves revisited. 160-169 - Haim Kaplan, Natan Rubin, Micha Sharir:

Line transversals of convex polyhedra in R3. 170-179 - Peyman Afshani, Timothy M. Chan:

Optimal halfspace range reporting in three dimensions. 180-186 - J. Salez, D. Shah:

Optimality of belief propagation for random assignment problem. 187-196 - Krishnendu Chatterjee, Luca de Alfaro, Thomas A. Henzinger:

Termination criteria for solving concurrent safety and reachability games. 197-206 - Amin Coja-Oghlan, Colin Cooper, Alan M. Frieze:

An efficient sparse regularity concept. 207-216 - Yury Person

, Mathias Schacht:
Almost all hypergraphs without Fano planes are bipartite. 217-226 - Brendan Nagle, Annika Poerschke, Vojtech Rödl, Mathias Schacht:

Hypergraph regularity and quasi-randomness. 227-235 - Philip N. Klein, Shay Mozes

, Oren Weimann
:
Shortest paths in directed planar graphs with negative lengths: a linear-space O(n log2 n)-time algorithm. 236-245 - David R. Karger

, Debmalya Panigrahi:
A near-linear time algorithm for constructing a cactus representation of minimum cuts. 246-255 - Kevin Matulef, Ryan O'Donnell, Ronitt Rubinfeld, Rocco A. Servedio:

Testing halfspaces. 256-264 - Anand Bhalgat, Ramesh Hariharan:

Fast edge orientation for unweighted graphs. 265-272 - Omid Amini, Louis Esperet

, Jan van den Heuvel:
A unified approach to distance-two colouring of planar graphs. 273-282 - Pankaj K. Agarwal, R. Sharathkumar, Hai Yu:

Approximate Euclidean shortest paths amid convex obstacles. 283-292 - Alexandr Andoni, Piotr Indyk, Robert Krauthgamer, Huy L. Nguyen:

Approximate line nearest neighbor in high dimensions. 293-301 - Greg Aloupis, Jean Cardinal, Sébastien Collette, Stefan Langerman, David Orden, Pedro Ramos:

Decomposition of multiple coverings into more parts. 302-310 - Adrian Dumitrescu, Csaba D. Tóth, Guangwu Xu:

On stars and Steiner stars: II. 311-317 - Yury Lifshits, Shengyu Zhang:

Combinatorial algorithms for nearest neighbors, near-duplicates and small-world design. 318-326 - Edith Elkind, Dmitrii V. Pasechnik

:
Computing the nucleolus of weighted voting games. 327-335 - Ehsan Amiri, Gábor Tardos:

High rate fingerprinting codes and the fingerprinting capacity. 336-345 - Noga Alon, Uriel Feige:

On the power of two, three and four probes. 346-354 - Toniann Pitassi, Nathan Segerlind:

Exponential lower bounds and integrality gaps for tree-like Lovász-Schrijver procedures. 355-364 - Ryan O'Donnell, Yi Wu:

3-bit dictator testing: 1 vs. 5/8. 365-373 - Markus Chimani, Carsten Gutwenger, Petra Mutzel

, Christian Wolf:
Inserting a vertex into a planar graph. 375-383 - Ran Duan, Seth Pettie:

Fast algorithms for (max, min)-matrix multiplication and bottleneck shortest paths. 384-391 - Constantinos Daskalakis, Richard M. Karp, Elchanan Mossel, Samantha J. Riesenfeld

, Elad Verbin:
Sorting and selection in posets. 392-401 - Parikshit Gopalan, Jaikumar Radhakrishnan:

Finding duplicates in a data stream. 402-411 - Ping Li:

Compressed counting. 412-421 - Bernard Chazelle:

Natural algorithms. 422-431 - Konstantinos Panagiotou, Angelika Steger:

Maximal biconnected subgraphs of random planar graphs. 432-440 - James Aspnes, Keren Censor:

Approximate shared-memory counting despite a strong adversary. 441-450 - Amin Coja-Oghlan, Uriel Feige, Alan M. Frieze, Michael Krivelevich, Dan Vilenchik:

On smoothed k-CNF formulas and the Walksat algorithm. 451-460 - Bodo Manthey, Heiko Röglin

:
Improved smoothed analysis of the k-means method. 461-470 - Amr Elmasry:

Pairing heaps with O(log log n) decrease cost. 471-476 - Haim Kaplan, Uri Zwick:

A simpler implementation and analysis of Chazelle's soft heaps. 477-485 - Vida Dujmovic, John Howat, Pat Morin

:
Biased range trees. 486-495 - Erik D. Demaine, Dion Harmon, John Iacono, Daniel Kane, Mihai Patrascu:

The geometry of binary search trees. 496-505 - Ran Duan, Seth Pettie:

Dual-failure distance and connectivity oracles. 506-515 - Viswanath Nagarajan, Maxim Sviridenko:

On the maximum quadratic assignment problem. 516-524 - Prasad Raghavendra, David Steurer

:
Towards computing the Grothendieck constant. 525-534 - Michel X. Goemans, Nicholas J. A. Harvey, Satoru Iwata, Vahab S. Mirrokni:

Approximating submodular functions everywhere. 535-544 - Ariel Kulik, Hadas Shachnai, Tami Tamir:

Maximizing submodular set functions subject to multiple linear constraints. 545-554 - Aurore Amaudruz, Christina Fragouli:

Combinatorial algorithms for wireless information flow. 555-564 - Volker Strassen:

Probability, algorithms and complexity. 565 - Mohsen Bayati, Andrea Montanari, Amin Saberi:

Generating random graphs with large girth. 566-575 - Navin Goyal, Luis Rademacher

, Santosh S. Vempala:
Expanders via random spanning trees. 576-585 - Lorenz Minder, Alistair Sinclair:

The extended k-tree algorithm. 586-595 - David Gamarnik, Dmitriy Katz:

Sequential cavity method for computing limits of the log-partition function for lattice models. 596-605 - Serge Gaspers, Gregory B. Sorkin

:
A universally fastest algorithm for Max 2-Sat, Max 2-CSP, and everything in between. 606-615 - Sergio Cabello:

Finding shortest contractible and shortest separating cycles in embedded graphs. 616-624 - Alexander Golynski:

Cell probe lower bounds for succinct data structures. 625-634 - Prosenjit Bose, Eric Y. Chen, Meng He

, Anil Maheshwari, Pat Morin
:
Succinct geometric indexes supporting point location queries. 635-644 - Kevin Buchin, Maike Buchin, Yusu Wang:

Exact algorithms for partial curve matching via the Fréchet distance. 645-654 - Mikkel Thorup:

String hashing for linear probing. 655-664 - Klaus Jansen:

Parameterized approximation scheme for the multiple knapsack problem. 665-674 - Florian Diedrich, Klaus Jansen:

Improved approximation algorithms for scheduling with fixed jobs. 675-684 - Jeff Edmonds, Kirk Pruhs:

Scalably scheduling processes with arbitrary speedup curves. 685-692 - Nikhil Bansal, Ho-Leung Chan, Kirk Pruhs:

Speed scaling with an arbitrary power function. 693-701 - Nikhil Bansal, Zachary Friggstad, Rohit Khandekar, Mohammad R. Salavatipour:

A logarithmic approximation for unsplittable flow on line graphs. 702-709 - Constantinos Daskalakis, Grant Schoenebeck

, Gregory Valiant, Paul Valiant:
On the complexity of Nash equilibria of action-graph games. 710-719 - Elad Hazan, Robert Krauthgamer:

How hard is it to approximate the best Nash equilibrium? 720-727 - Maria-Florina Balcan, Avrim Blum, Yishay Mansour:

Improved equilibria via public service advertising. 728-737 - Baharak Rastegari

, Anne Condon, Kevin Leyton-Brown
:
Stepwise randomized combinatorial auctions achieve revenue monotonicity. 738-747 - Umang Bhaskar, Lisa Fleischer, Darrell Hoy, Chien-Chung Huang:

Equilibria of atomic flow games are not unique. 748-757 - Mordecai J. Golin

, Xiaoming Xu, Jiajin Yu:
A generic top-down dynamic-programming approach to prefix-free coding. 758-767 - Paolo Ferragina, Igor Nitto, Rossano Venturini:

On the bit-complexity of Lempel-Ziv compression. 768-777 - Raphaël Clifford, Klim Efremenko, Ely Porat, Amir Rothschild:

From coding theory to efficient pattern matching. 778-784 - Djamal Belazzougui, Paolo Boldi, Rasmus Pagh, Sebastiano Vigna:

Monotone minimal perfect hashing: searching a sorted table with O(1) accesses. 785-794 - Martin Dietzfelbinger, Ulf Schellbach:

On risks of using cuckoo hashing with simple universal hash classes. 795-804 - MohammadHossein Bateni, MohammadTaghi Hajiaghayi:

Assignment problem in content distribution networks: unsplittable hard-capacitated facility location. 805-814 - Ioannis Caragiannis:

Efficient coordination mechanisms for unrelated machine scheduling. 815-824 - Fedor V. Fomin, Petr A. Golovach, Daniel Lokshtanov, Saket Saurabh:

Clique-width: on the price of generality. 825-834 - Benjamin Aminof, Orna Kupferman, Robby Lampert:

Reasoning about online algorithms with weighted automata. 835-844 - Mehmet A. Begen

, Maurice Queyranne:
Appointment scheduling with discrete random durations. 845-854 - Jirí Matousek, Martin Tancer, Uli Wagner

:
Hardness of embedding simplicial complexes in Rd. 855-864 - Alexandr Andoni, Piotr Indyk, Robert Krauthgamer:

Overcoming the l1 non-embeddability barrier: algorithms for product metrics. 865-874 - Ittai Abraham, Yair Bartal, Ofer Neiman:

On low dimensional local embeddings. 875-884 - William B. Johnson, Assaf Naor:

The Johnson-Lindenstrauss lemma almost characterizes Hilbert space, but not quite. 885-891 - Parinya Chalermsook, Julia Chuzhoy:

Maximum independent set of rectangles. 892-901 - Dániel Marx

:
Approximating fractional hypertree width. 902-911 - Zeev Nutov:

An almost O(log k)-approximation for k-connected subgraphs. 912-921 - Moran Feldman

, Guy Kortsarz, Zeev Nutov:
Improved approximating algorithms for Directed Steiner Forest. 922-931 - Arnab Bhattacharyya, Elena Grigorescu

, Kyomin Jung, Sofya Raskhodnikova, David P. Woodruff:
Transitive-closure spanners. 932-941 - Robert Krauthgamer, Joseph Naor, Roy Schwartz:

Partitioning graphs into balanced components. 942-949 - Raphael Yuster:

Efficient algorithms on sets of permutations, dominance, and real-weighted APSP. 950-957 - Omid Madani, Mikkel Thorup, Uri Zwick:

Discounted deterministic Markov decision processes and discounted all-pairs shortest paths. 958-967 - Christos Boutsidis, Michael W. Mahoney, Petros Drineas

:
An improved approximation algorithm for the column subset selection problem. 968-977 - Joel A. Tropp:

Column subset selection, matrix factorization, and eigenvalue optimization. 978-986 - Aaron Williams:

Loopless generation of multiset permutations using a constant number of variables by prefix shifts. 987-996 - Yuval Peres:

The unreasonable effectiveness of martingales. 997-1000 - Siu-Wing Cheng, Man-Kwun Chiu:

Dimension detection via slivers. 1001-1010 - David Cohen-Steiner, Herbert Edelsbrunner, John Harer, Dmitriy Morozov:

Persistent homology for kernels, images, and cokernels. 1011-1020 - Frédéric Chazal, Leonidas J. Guibas, Steve Oudot, Primoz Skraba:

Analysis of scalar fields over point cloud data. 1021-1030 - Mikhail Belkin, Jian Sun, Yusu Wang:

Constructing Laplace operator from point clouds in Rd. 1031-1040 - Benoît Hudson, Gary L. Miller, Todd Phillips, Don Sheehy

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Size complexity of volume meshes vs. surface meshes. 1041-1047 - Siddharth Barman, Shuchi Chawla:

Packing multiway cuts in capacitated graphs. 1048-1057 - Ioannis Caragiannis, Jason A. Covey, Michal Feldman, Christopher M. Homan, Christos Kaklamanis, Nikos Karanikolas

, Ariel D. Procaccia, Jeffrey S. Rosenschein:
On the approximability of Dodgson and Young elections. 1058-1067 - Maria-Florina Balcan, Avrim Blum, Anupam Gupta:

Approximate clustering without the approximation. 1068-1077 - S. Charles Brubaker:

Robust PCA and clustering in noisy mixtures. 1078-1087 - Marcel R. Ackermann, Johannes Blömer:

Coresets and approximate clustering for Bregman divergences. 1088-1097 - Ke Yi, Qin Zhang

:
Multi-dimensional online tracking. 1098-1107 - Michael A. Bender, Jeremy T. Fineman, Seth Gilbert

:
A new approach to incremental topological ordering. 1108-1115 - Chandra Chekuri, Benjamin Moseley:

Online scheduling to minimize the maximum delay factor. 1116-1125 - Marcin Bienkowski, Marek Chrobak, Christoph Dürr, Mathilde Hurand, Artur Jez, Lukasz Jez, Grzegorz Stachowiak:

Collecting weighted items from a dynamic queue. 1126-1135 - Spyros Angelopoulos, Pascal Schweitzer

:
Paging and list update under bijective analysis. 1136-1145 - Yusuke Kobayashi, Ken-ichi Kawarabayashi:

Algorithms for finding an induced cycle in planar graphs and bounded genus graphs. 1146-1155 - Ken-ichi Kawarabayashi, Bojan Mohar:

List-color-critical graphs on a fixed surface. 1156-1165 - Ken-ichi Kawarabayashi, Erik D. Demaine, MohammadTaghi Hajiaghayi:

Additive approximation algorithms for list-coloring minor-closed class of graphs. 1166-1175 - Zdenek Dvorák, Ken-ichi Kawarabayashi, Robin Thomas:

Three-coloring triangle-free planar graphs in linear time. 1176-1182 - Ken-ichi Kawarabayashi, Bruce A. Reed:

A nearly linear time algorithm for the half integral parity disjoint paths packing problem. 1183-1192 - Boaz Barak, Moritz Hardt, Satyen Kale:

The uniform hardcore lemma via approximate Bregman projections. 1193-1200 - Anthony Man-Cho So:

Improved approximation bound for quadratic optimization problems with orthogonality constraints. 1201-1209 - Khaled M. Elbassioni

, Rajiv Raman, Saurabh Ray, René Sitters:
On the approximability of the maximum feasible subsystem problem with 0/1-coefficients. 1210-1219 - Amitabh Basu

, Pierre Bonami, Gérard Cornuéjols, François Margot:
On the relative strength of split, triangle and quadrilateral cuts. 1220-1229 - Satoru Iwata, James B. Orlin:

A simple combinatorial algorithm for submodular function minimization. 1230-1237 - Nikhil Bansal, Ho-Leung Chan:

Weighted flow time does not admit O(1)-competitive algorithms. 1238-1244 - Moshe Babaioff, Michael Dinitz

, Anupam Gupta, Nicole Immorlica, Kunal Talwar:
Secretary problems: weights and discounts. 1245-1254 - Edith Cohen, Nick G. Duffield

, Haim Kaplan, Carsten Lund, Mikkel Thorup:
Stream sampling for variance-optimal estimation of subset sums. 1255-1264 - Florin Constantin, Jon Feldman, S. Muthukrishnan, Martin Pál:

An online mechanism for ad slot reservations with cancellations. 1265-1274 - Anirban Dasgupta, Arpita Ghosh, Hamid Nazerzadeh, Prabhakar Raghavan:

Online story scheduling in web advertising. 1275-1284

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