List of accepted papers for RANDOM 2011: Lidor Avigad and Oded Goldreich. Testing Graph Blow-Up Thomas Watson. Query Complexity in Errorless Hardness Amplification Oded Goldreich and Tali Kaufman. Proximity Oblivious Testing and the Role of Invariances Eldar Fischer and Eyal Rozenberg. Inflatable graph properties and natural property tests Anindya De and Thomas Watson. Extractors and Lower Bounds for Locally Samplable Sources Omri Weinstein, Ronitt Rubinfeld, Dana Ron and Muli Safra. Approximating the influence of a monotone Boolean function in $O(\sqrt{n})$ query complexity Eli Ben-Sasson and Madhu Sudan. Limits on the rate of locally testable affine-invariant codes Gilad Tsur and Dana Ron. On Approximating the Number of Relevant Variables in a Function Nayantara Bhatnagar, Andrej Bogdanov and Elchanan Mossel. The Computational Complexity of Estimating MCMC Convergence Time Dana Dachman-Soled and Rocco Servedio. A canonical form for testing Boolean function properties Irit Dinur and Tali Kaufman. Dense locally testable codes cannot have constant rate and distance Andris Ambainis, Andrew Childs and Yi-Kai Liu. Quantum property testing for bounded-degree graphs Domingos Dellamonica, Subrahmanyam Kalyanasundaram, Daniel Martin, Vojtech Rodl and Asaf Shapira. A Deterministic Algorithm for the Frieze-Kannan Regularity Lemma Varsha Dani and Cristopher Moore. Independent sets in random graphs from the weighted second moment method Brett Hemenway, Martin Strauss, Rafail Ostrovsky and Mary Wootters. Public-Key Locally-Decodable Codes with Short Keys Amit Chakrabarti and Ranganath Kondapally. Everywhere-Tight Information Cost Tradeoffs for Augmented Index Venkatesan Guruswami and Carol Wang. Optimal rate list decoding via derivative codes Eli Ben-Sasson, Elena Grigorescu, Ghid Maatouk, Amir Shpilka and Madhu Sudan. On Sums of Locally Testable Affine Invariant Properties Shachar Lovett and Srikanth Srinivasan. Correlation bounds for poly-size AC0 circuits with n^{1-o(1)} symmetric gates Andreas Galanis, Qi Ge, Daniel Stefankovic, Eric Vigoda and Linji Yang. Improved Inapproximability Results for Counting Independent Sets in the Hard-Core Model Sarah Miracle, Dana Randall and Amanda Pascoe Streib. Clustering in Interfering Models of Binary Mixtures Zhiyi Huang and Sampath Kannan. On Sampling from Multivariate Distributions Tobias Friedrich and Lionel Levine. Fast Simulation of Large-Scale Growth Models Alan Edelman, Avinatan Hassidim, Huy Nguyen and Krzysztof Onak. An Efficient Partitioning Oracle for Bounded-Treewidth Graphs Sergei Artemenko and Ronen Shaltiel. Lower bounds on the query complexity of non-uniform and adaptive reductions showing hardness amplification Andrew Drucker. Probabilistically Checkable Debates of Nearly-Linear Size Daniel Kane, Raghu Meka and Jelani Nelson. Almost Optimal Explicit Johnson-Lindenstrauss Transformations Joshua Brody and David Woodruff. Streaming Algorithms with One-Sided Estimation Mohammed Abdullah, Colin Cooper and Moez Draief. Viral Processes by Random Walks on Random Graphs