Math @ Duke
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Publications [#361355] of Nicholas A Cook
search arxiv.org.Papers Published
- Cook, NA; Dembo, A; Pham, HT, Regularity method and large deviation principles for the
Erdős--Rényi hypergraph
(February, 2021)
(last updated on 2024/04/19)
Abstract: We develop a quantitative large deviations theory for random hypergraphs,
which rests on tensor decomposition and counting lemmas under a novel family of
cut-type norms. As our main application, we obtain sharp asymptotics for joint
upper and lower tails of homomorphism counts in the $r$-uniform
Erd\H{o}s--R\'enyi hypergraph for any fixed $r\ge 2$, generalizing and
improving on previous results for the Erd\H{o}s--R\'enyi graph ($r=2$). The
theory is sufficiently quantitative to allow the density of the hypergraph to
vanish at a polynomial rate, and additionally yields tail asymptotics for other
nonlinear functionals, such as induced homomorphism counts.
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