Statistical Mechanics Analysis of the Continuous Number Partitioning Problem

Details Statistical Mechanics Analysis of the Continuous Number Partitioning Problem Statistical Mechanics Analysis of the Continuous Number Partitioning Problem

1998-11-11

arxiv.org/abs/cond-mat/9811163v2

Physics

Condensed Matter

Statistical Mechanics

9 pages, 1 figure

Scientific paper

10.1016/S0378-4371(99)00079-5

The number partitioning problem consists of partitioning a sequence of positive numbers ${a_1,a_2,..., a_N}$ into two disjoint sets, ${\cal A}$ and ${\cal B}$, such that the absolute value of the difference of the sums of $a_j$ over the two sets is minimized. We use statistical mechanics tools to study analytically the Linear Programming relaxation of this NP-complete integer programming. In particular, we calculate the probability distribution of the difference between the cardinalities of ${\cal A}$ and ${\cal B}$ and show that this difference is not self-averaging.

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