{ "id": "1802.04586", "version": "v1", "published": "2018-02-13T12:29:47.000Z", "updated": "2018-02-13T12:29:47.000Z", "title": "Hamiltonicity in randomly perturbed hypergraphs", "authors": [ "Jie Han", "Yi Zhao" ], "comment": "16 pages", "categories": [ "math.CO" ], "abstract": "For integers $k\\ge 3$ and $1\\le \\ell\\le k-1$, we prove that for any $\\alpha>0$, there exist $\\epsilon>0$ and $C>0$ such that for sufficiently large $n\\in (k-\\ell)\\mathbb{N}$, the union of a $k$-uniform hypergraph with minimum vertex degree $\\alpha n^{k-1}$ and a binomial random $k$-uniform hypergraph $\\mathbb{G}^{(k)}(n,p)$ with $p\\ge n^{-(k-\\ell)-\\epsilon}$ for $\\ell\\ge 2$ and $p\\ge C n^{-(k-1)}$ for $\\ell=1$ on the same vertex set contains a Hamiltonian $\\ell$-cycle with high probability. Our result is best possible up to the values of $\\epsilon$ and $C$ and answers a question of Krivelevich, Kwan and Sudakov.", "revisions": [ { "version": "v1", "updated": "2018-02-13T12:29:47.000Z" } ], "analyses": { "subjects": [ "05C65", "05C45" ], "keywords": [ "randomly perturbed hypergraphs", "hamiltonicity", "uniform hypergraph", "minimum vertex degree", "vertex set contains" ], "note": { "typesetting": "TeX", "pages": 16, "language": "en", "license": "arXiv", "status": "editable" } } }