21. CCC 2006: Prague, Czech Republic

Introduction

• Preface.
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• Committees.
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• Reviewers.
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• Awards.
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Session 1

• Pavel Pudlák:
  Godel and Computations (Abstract). 3-5
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Session 2

• Neeraj Kayal, Nitin Saxena:
  Polynomial Identity Testing for Depth 3 Circuits. 9-17
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• Rocco A. Servedio:
  Every Linear Threshold Function has a Low-Weight Approximator. 18-32
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Session 3

• Amir Shpilka:
  Constructions of Low-Degree and Error-Correcting in-Biased Generators. 33-45
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• Ronen Shaltiel:
  How to Get More Mileage from Randomness Extractors. 46-60
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• Marius Zimand:
  Exposure-Resilient Extractors. 61-72
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Session 4

• Joshua Buresh-Oppenheim, Rahul Santhanam:
  Making Hard Problems Harder. 73-87
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• Albert Atserias:
  Distinguishing SAT from Polynomial-Size Circuits, through Black-Box Queries. 88-95
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• Rafael Pass:
  Parallel Repetition of Zero-Knowledge Proofs and the Possibility of Basing Cryptography on NP-Hardness. 96-110
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Session 5

• Avi Wigderson:
  Applications of the Sum-Product Theorem in Finite Fields. 111
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Session 6

• Parikshit Gopalan:
  Constructing Ramsey Graphs from Boolean Function Representations. 115-128
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• Dieter van Melkebeek, Konstantin Pervyshev:
  A Generic Time Hierarchy for Semantic Models with One Bit of Advice. 129-144
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Session 7

• Ishay Haviv, Oded Regev:
  Hardness of the Covering Radius Problem on Lattices. 145-158
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• Subhash Khot, Rishi Saket:
  A 3-Query Non-Adaptive PCP with Perfect Completeness. 159-169
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• Iannis Tourlakis:
  New Lower Bounds for Vertex Cover in the Lovasz-Schrijver Hierarchy. 170-182
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Session 8

• Christoph Behle, Klaus-Jörn Lange:
  FO[<]-Uniformity. 183-189
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• Michal Koucký, Clemens Lautemann, Sebastian Poloczek, Denis Thérien:
  Circuit Lower Bounds via Ehrenfeucht-Fraisse Games. 190-201
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• Kristoffer Arnsfelt Hansen:
  On Modular Counting with Polynomials. 202-212
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Session 9

• Ryan O'Donnell, Rocco A. Servedio:
  Learning Monotone Decision Trees in Polynomial Time. 213-225
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• Vitaly Feldman:
  Optimal Hardness Results for Maximizing Agreements with Monomials. 226-236
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Session 10

• Eric Allender, Lisa Hellerstein, Paul McCabe, Toniann Pitassi, Michael E. Saks:
  Minimizing DNF Formulas and AC⁰_d Circuits Given a Truth Table. 237-251
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• Chris Calabro, Russell Impagliazzo, Ramamohan Paturi:
  A Duality between Clause Width and Clause Density for SAT. 252-260
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Session 11

• Scott Aaronson:
  QMA/qpoly \subseteq PSPACE/poly: De-Merlinizing Quantum Protocols. 261-273
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• Pranab Sen:
  Random Measurement Bases, Quantum State Distinction and Applications to the Hidden Subgroup Problem. 274-287
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• Dmitry Gavinsky, Julia Kempe, Ronald de Wolf:
  Strengths and Weaknesses of Quantum Fingerprinting. 288-298
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Session 12

• Eric Allender, David A. Mix Barrington, Tanmoy Chakraborty, Samir Datta, Sambuddha Roy:
  Grid Graph Reachability Problems. 299-313
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• Yijia Chen, Martin Grohe:
  An Isomorphism between Subexponential and Parameterized Complexity Theory. 314-330
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Session 13

• Eric Allender, Peter Bürgisser, Johan Kjeldgaard-Pedersen, Peter Bro Miltersen:
  On the Complexity of Numerical Analysis. 331-339
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• Scott Aaronson:
  Oracles Are Subtle But Not Malicious. 340-354
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• H. Venkateswaran:
  Derandomization of Probabilistic Auxiliary Pushdown Automata Classes. 355-370
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