Abstract
Let \({K_n^{(k)}}\) be the complete k-uniform hypergraph, \({k\ge3}\), and let ℓ be an integer such that 1 ≤ ℓ ≤ k−1 and k−ℓ divides n. An ℓ-overlapping Hamilton cycle in \({K_n^{(k)}}\) is a spanning subhypergraph C of \({K_n^{(k)}}\) with n/(k−ℓ) edges and such that for some cyclic ordering of the vertices each edge of C consists of k consecutive vertices and every pair of consecutive edges in C intersects in precisely ℓ vertices. An edge-coloring of \({K_n^{(k)}}\) is (a, r)-bounded if every subset of a vertices of \({K_n^{(k)}}\) is contained in at most r edges of the same color. In this paper, we refine recent results of the first author, Frieze and Ruciński by proving that there is a constant c = c(k, ℓ) such that every \({(\ell, cn^{k-\ell})}\) -bounded edge-colored \({K_n^{(k)}}\) in which no color appears more that cn k-1 times contains a rainbow ℓ-overlapping Hamilton cycle. We also show that there is a constant c′ = c′(k, ℓ) such that every (ℓ, c′n k-ℓ)-bounded edge-colored \({K_n^{(k)}}\) contains a properly colored ℓ-overlapping Hamilton cycle.
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Dudek, A., Ferrara, M. Extensions of Results on Rainbow Hamilton Cycles in Uniform Hypergraphs. Graphs and Combinatorics 31, 577–583 (2015). https://doi.org/10.1007/s00373-013-1391-z
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DOI: https://doi.org/10.1007/s00373-013-1391-z