Minimum Codegree Threshold for C63-Factors in 3-Uniform Hypergraphs

Wei Gao, Jie Han

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Let C63 be the 3-uniform hypergraph on {1,..., 6} with edges 123,345,561, which can be seen as the analogue of the triangle in 3-uniform hypergraphs. For sufficiently large n divisible by 6, we show that every n-vertex 3-uniform hypergraph H with minimum codegree at least n/3 contains a C63-factor, that is, a spanning subhypergraph consisting of vertex-disjoint copies of C63. The minimum codegree condition is best possible. This improves the asymptotic result obtained by Mycroft and answers a question of Rödl and Ruciński exactly.

Original languageEnglish
Pages (from-to)536-559
Number of pages24
JournalCombinatorics Probability and Computing
Volume26
Issue number4
DOIs
Publication statusPublished - 1 Jul 2017
Externally publishedYes

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