
arXiv: 0903.2867
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
Combinatorial aspects of simplicial complexes, Hypergraphs, regularity Lemma, Theoretical Computer Science, hypergraphs, Computational Theory and Mathematics, Regularity lemma, FOS: Mathematics, Discrete Mathematics and Combinatorics, Mathematics - Combinatorics, Combinatorics (math.CO), 05C65, 05C45, Hamilton cycles
Combinatorial aspects of simplicial complexes, Hypergraphs, regularity Lemma, Theoretical Computer Science, hypergraphs, Computational Theory and Mathematics, Regularity lemma, FOS: Mathematics, Discrete Mathematics and Combinatorics, Mathematics - Combinatorics, Combinatorics (math.CO), 05C65, 05C45, Hamilton cycles
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