Presented under the auspices of the Special Focus on Hardness of Approximation.
Monday, June 13, 2011 8:55 - 9:00 Opening 9:00 - 10:00 What have we learnt about graph expansion? Sanjeev Arora 10:00 - 10:35 Approximation Algorithms for TSP Amin Saberi 10:35 - 11:00 Break 11:00 - 12:00 A Postmortem of the Last Decade and Some Directions for the Future Vijay Vazirani 12:00 - 1:30 Lunch 1:30 - 2:30 On the Unique Games Conjecture Subhash Khot 2:30 - 3:05 Subexponential Algorithms for Unique Games and Related Problems David Steurer 3:05 - 3:35 Break 3:35 - 4:10 Vertex-Connectivity Survivable Network Design Sanjeev Khann 4:10 - 4:45 Approximation Algorithms for Discrepancy Problems Nikhil Bansal 4:45 - 5:20 Why Do We Want a Good Ratio Anyway? Approximation Stability and Proxy Objectives Avrim Blum Workshop dinner Tuesday, June 14, 2011 9:00 - 10:00 Online Matching and the Adwords Market Aranyak Metha 10:00 - 10:35 Generalized Online Matching with Concave Utilities Kamal Jain 10:35 - 11:05 Break 11:05 - 11:40 Buy-at-bulk Network Design with Protection Chandra Chekuri 11:40 - 12:15 Online Algorithms, the Primal-Dual Method, and the k-Server Problem Seffi Naor 12:10 - 1:45 Lunch 12:45 - 1:20 Lunch-time talk Exponential Lower Bounds for Infinitary Payoff Game Policy Iteration and Linear Program Simplex Methods Oliver Friedman 1:45 - 2:20 Prize-collecting Frameworks Mohammad Hajiaghayi 2:20 - 2:55 Approximation Algorithms for Stochastic Problems Anupam Gupta 2:55 - 3:30 Network Design with Diseconomies of Scale Lisa Zhang 3:30 - 4:00 Break 4:00 - 5:00 Iterative Methods in Combinatorial Optimization Mohit Singh Wednesday, June 15, 2011 9:00 - 10:00 Tree Decompositions for Congestion Minimization Harald Raecke 10:00 - 10:35 Constructive Aspects of the Lovasz Local Lemma and their Applications Aravind Srinivasan 10:35 - 11:00 Break 11:00 - 12:00 PCPs and Inapproximability: Recent Milestones, and New and Continuing Challenges Venkat Guruswami 12:00 - 1:45 Lunch 12:45 - 1:20 Lunch-time Talk Generalized Online Matching with Concave Utilities Kamal Jain 1:45 - 2:20 Flow-cut Gaps and Hardness of Cut Problems in Directed Graphs Sanjeev Khanna 2:20 - 2:55 Steiner Tree Approximation via Iterative Randomized Rounding Fabrizio Grandoni 2:55 - 3:30 Allocating Goods to Maximize Fairness Julia Chuzhoy 3:30 - 4:00 Break 4:00 - 5:00 The Edge-Disjoint Paths with Congestion problem: Algorithms, Lower Bounds and Open Problems Matthew Andrews 7:00 - 9:30 Open problem session Thursday, June 16, 2011 9:00 - 10:00 Generic techniques to round SDP relaxations Prasad Raghavendra 10:00 - 10:35 A Combinatorial, Primal-Dual Approach to Semidefinite Programs Satyen Kale 10:35 - 11:05 Break 11:05 - 11:40 Discrete Extension and Selection Problems Yuval Rabani 11:40 - 12:15 Approximating Metrics by Tree Metrics Kunal Talwar 12:15 - 1:45 Lunch 1:45 - 2:20 Finding Dense Subgraphs Moses Charikar 2:20 - 2:55 Approximability of Submodular Combinatorial Optimization Problems Pushkar Tripathi 2:55 - 3:30 Scheduling to Minimize Flow Time Naveen Garg 3:30 - 4:00 Break 4:00 - 5:00 Introduction to LP and SDP hierarchies Madhur Tulsiani Friday, June 17, 2011 9:00 - 9:35 New Approximation Schemes for Optimization Problems in Planar Graphs Phil Klein 9:35 - 10:10 Beyond Planar Graphs: Minors, Bidimensionality, & Decomposition Erik Demaine 10:00 - 10:35 Universal Approximations in Network Design Rajmohan Rajaraman 10:35 - 11:00 Break 11:00 - 12:00 Approximation in Algorithmic Game Theory Tim Roughgarden