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Journal of Combinatorial Theory Series A
Article . 2010
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Hamilton ℓ-cycles in uniform hypergraphs

Authors: Deryk Osthus; Richard Mycroft; Daniela Kühn;

Hamilton ℓ-cycles in uniform hypergraphs

Abstract

We say that a k-uniform hypergraph C is an l-cycle if there exists a cyclic ordering of the vertices of C such that every edge of C consists of k consecutive vertices and such that every pair of consecutive edges (in the natural ordering of the edges) intersects in precisely l vertices. We prove that if 1 \leq l \leq k-1 and k-l does not divide k then any k-uniform hypergraph on n vertices with minimum degree at least n/((\lceil (k/(k-l)) \rceil)(k-l))+o(n) contains a Hamilton l-cycle. This confirms a conjecture of H��n and Schacht. Together with results of R��dl, Ruci��ski and Szemer��di, our result asymptotically determines the minimum degree which forces an l-cycle for any l with 1 \leq l \leq k-1.

v3: corrected very minor error in Lemma 4.6 and the proof of Lemma 6.2

Keywords

Computational Theory and Mathematics, Regularity lemma, FOS: Mathematics, Discrete Mathematics and Combinatorics, Mathematics - Combinatorics, Combinatorics (math.CO), Hypergraphs, 05C65, 05C45, Hamilton cycles, Theoretical Computer Science

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
49
Top 10%
Top 10%
Top 10%
Green
hybrid