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Research Focus: Planar Graphs

Generating Labeled Planar Graph Uniformly at Random

By Manuel Bodirsky, Clemens Gröpl, Mihyun Kang
In Proceedings of the Thirtieth International Colloquium on Automata, Languages and Programming (ICALP 2003), LNCS 2719, 1095 - 1107
Theoretical Computer Science, 379 (2007): 377-386

Abstract

We present a deterministic polynomial time algorithm to generate a labeled planar graph uniformly at random. To generate the planar graphs, we derive recurrence formulas that count all such graphs with n vertices and m edges, based on a decomposition into 1-, 2-, and 3-connected components. For 3-connected graphs we apply a recent random generation algorithm by Bodirsky, Gröpl, Johannsen, and Kang.

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