Saturation for the 3-uniform loose 3-cycle
Saturation for the 3-uniform loose 3-cycle
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3 均匀松散 3 循环的饱和度
DOI:
10.1016/j.disc.2023.113504
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发表时间:
2023
影响因子:
0.8
通讯作者:
Zirlin, Dara
中科院分区:
文献类型:
--
作者:
English, Sean;Kostochka, Alexandr;Zirlin, Dara
Let F and H be k-uniform hypergraphs. We say H is F-saturated if H does not contain a subgraph isomorphic to F, but H+ e does for any hyperedge e∉ E (H). The saturation number of F, denoted sat k (n, F), is the minimum number of edges in an F-saturated k-uniform hypergraph H on n vertices. Let C 3 (3) denote the 3-uniform loose cycle on 3 edges. In this work, we prove that (4 3+ o (1)) n≤ sat 3 (n, C 3 (3))≤ 3 2 n+ O (1). This is the first non-trivial result on the saturation number for a fixed short hypergraph cycle.
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