Invited Talks -- The Complexity of Querying External Memory and Streaming Data -- The Smoothed Analysis of Algorithms -- Path Coupling Using Stopping Times -- Circuits -- On the Incompressibility of Monotone DNFs -- Bounds on the Power of Constant-Depth Quantum Circuits -- Automata I -- Biautomatic Semigroups -- Deterministic Automata on Unranked Trees -- Complexity I -- Decidable Membership Pr…