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Sampling Hypergraphs with Given Degrees

MPS-Authors
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Kleer,  Pieter
Algorithms and Complexity, MPI for Informatics, Max Planck Society;

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Fulltext (public)

arXiv:2006.12021.pdf
(Preprint), 281KB

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Citation

Dyer, M., Greenhill, C., Kleer, P., Ross, J., & Stougie, L. (2020). Sampling Hypergraphs with Given Degrees. Retrieved from https://arxiv.org/abs/2006.12021.


Cite as: http://hdl.handle.net/21.11116/0000-0007-9152-8
Abstract
There is a well-known connection between hypergraphs and bipartite graphs, obtained by treating the incidence matrix of the hypergraph as the biadjacency matrix of a bipartite graph. We use this connection to describe and analyse a rejection sampling algorithm for sampling simple uniform hypergraphs with a given degree sequence. Our algorithm uses, as a black box, an algorithm $\mathcal{A}$ for sampling bipartite graphs with given degrees, uniformly or nearly uniformly, in (expected) polynomial time. The expected runtime of the hypergraph sampling algorithm depends on the (expected) runtime of the bipartite graph sampling algorithm $\mathcal{A}$, and the probability that a uniformly random bipartite graph with given degrees corresponds to a simple hypergraph. We give some conditions on the hypergraph degree sequence which guarantee that this probability is bounded below by a constant.