Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2009-01-12
J. Math. Phys. 49, 125206 (2008)
Physics
Condensed Matter
Statistical Mechanics
5 pages, 1 figure
Scientific paper
10.1063/1.2982805
We analyze a new general representation for the Minimum Weight Steiner Tree (MST) problem which translates the topological connectivity constraint into a set of local conditions which can be analyzed by the so called cavity equations techniques. For the limit case of the Spanning tree we prove that the fixed point of the algorithm arising from the cavity equations leads to the global optimum.
Bayati Mohsen
Braunstein Alexander
Zecchina Riccardo
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