Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2011-10-06
J. Stat. Mech. P11008 (2011)
Physics
Condensed Matter
Statistical Mechanics
10 pages, 6 figures, 2 tables
Scientific paper
10.1088/1742-5468/2011/11/P11008
We investigate the dynamic formation of regular random graphs. In our model, we pick a pair of nodes at random and connect them with a link if both of their degrees are smaller than d. Starting with a set of isolated nodes, we repeat this linking step until a regular random graph, where all nodes have degree d, forms. We view this process as a multivariate aggregation process, and formally solve the evolution equations using the Hamilton-Jacoby formalism. We calculate the nontrivial percolation thresholds for the emergence of the giant component when d>=3. Also, we estimate the number of steps until the giant component spans the entire system and the total number of steps until the regular random graph forms. These quantities are non self-averaging, namely, they fluctuate from realization to realization even in the thermodynamic limit.
Ben-Naim Eli
Krapivsky Paul. L.
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