Asymptotic enumeration of hypergraphs by degree sequence

preprint2022arXivOpen access

Abstract

We prove an asymptotic formula for the number of kk-uniform hypergraphs with a given degree sequence, for a wide range of parameters. In particular, we find a formula that is asymptotically equal to the number of dd-regular kk-uniform hypergraphs on nn vertices provided that dn≤c(nk)dn\le c\binom{n}{k} for a constant c>0c>0, and 3≤k<nC3 \leq k < n^C for any C<1/9.C<1/9. Our results relate the degree sequence of a random kk-uniform hypergraph to a simple model of nearly independent binomial random variables, thus extending the recent results for graphs due to the second and third author.

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