Computational Complexity and Statistical Physics

Front Cover
Allon Percus, Gabriel Istrate, Cristopher Moore
Oxford University Press, USA, Feb 23, 2006 - Computers - 367 pages
Computer science and physics have been closely linked since the birth of modern computing. In recent years, an interdisciplinary area has blossomed at the junction of these fields, connecting insights from statistical physics with basic computational challenges. Researchers have successfully applied techniques from the study of phase transitions to analyze NP-complete problems such as satisfiability and graph coloring. This is leading to a new understanding of the structure of these problems, and of how algorithms perform on them. Computational Complexity and Statistical Physics will serve as a standard reference and pedagogical aid to statistical physics methods in computer science, with a particular focus on phase transitions in combinatorial problems. Addressed to a broad range of readers, the book includes substantial background material along with current research by leading computer scientists, mathematicians, and physicists. It will prepare students and researchers from all of these fields to contribute to this exciting area.
 

Contents

IDENTIFYING THE THRESHOLD
23
Perspectives
25
Analyzing Search Algorithms with Physical Methods
63
Constraint Satisfaction by Survey Propagation
107
Number Partitioning
125
Ground States Energy Landscape and LowTemperature
141
Techniques Behind
159
Proving Conditional Randomness using The Principle
179
The Phase Transition in the Random HornSAT Problem
195
Phase Transitions for Quantum Search Algorithms
223
Scalability Random Surfaces and Synchronized
249
An
271
Towards a Predictive Computational Complexity Theory
285
Index
353
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