Randomization and Approximation Techniques in Computer Science

Counting Distinct Elements in a Data Stream.- On Testing Convexity and Submodularity.- ?-Regular Languages Are Testable with a Constant Number of Queries.- Optimal Lower Bounds for 2-Query Locally Decodable Linear Codes.- Counting and Sampling H-Colourings.- Rapidly Mixing Markov Chains for Dismantleable Constraint Graphs.- On the 2-Colorability of Random Hypergraphs.- Percolation on Finite Cayley Graphs.- Computing Graph Properties by Randomized Subcube Partitions.- Bisection of Random Cubic Graphs.- Small k-Dominating Sets of Regular Graphs.- Finding Sparse Induced Subgraphs of Semirandom Graphs.- Mixing in Time and Space for Lattice Spin Systems: A Combinatorial View.- Quantum Walks on the Hypercube.- Randomness-Optimal Characterization of Two NP Proof Systems.- A Probabilistic-Time Hierarchy Theorem for “Slightly Non-uniform” Algorithms.- Derandomization That Is Rarely Wrong from Short Advice That Is Typically Good.- Is Constraint Satisfaction Over Two Variables Always Easy?.- Dimensionality Reductions That Preserve Volumes and Distance to Affine Spaces, and Their Algorithmic Applications.- On the Eigenvalue Power Law.- Classifying Special Interest Groups in Web Graphs.