Physics – Condensed Matter
Scientific paper
2003-09-10
Physical Review E 70, 035103 (R) (2004) [4 pages]
Physics
Condensed Matter
4 pages, 4 figs
Scientific paper
10.1103/PhysRevE.70.035103
The satisfiability and optimization of finite-dimensional Boolean formulas are studied using percolation theory, rare region arguments, and boundary effects. In contrast with mean-field results, there is no satisfiability transition, though there is a logical connectivity transition. In part of the disconnected phase, rare regions lead to a divergent running time for optimization algorithms. The thermodynamic ground state for the NP-hard two-dimensional maximum-satisfiability problem is typically unique. These results have implications for the computational study of disordered materials.
Middleton Alan A.
Schwarz J.-M.
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