4-Cycle decompositions of complete 3-uniform hypergraphs

4-Cycle decompositions of complete 3-uniform hypergraphs
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完全 3 均匀超图的 4 循环分解

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2018
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通讯作者:
Heather Jordon
Heather Jordon
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作者:
Heather Jordon

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一个n阶3-一致完全超图的顶点集为{1,2,. . .,n},并且作为其边集合,所有可能的大小为3的子集的集合。这个超图中的4-圈是v1,e1,v2,e2,v3,e3,v4,e4,v1,其中{v1,v2,v3,v4}是不同的顶点,{e1,e2,e3,e4}是不同的3-边,使得vi,vi+1 ∈ ei,i = 1,2,3,v4,v1 ∈ e4(也称为Berge圈)。超图的分解是将其边集划分为边不相交的子集。本文给出了n阶完全3-一致超图分解为4-圈的充要条件。
A 3-uniform complete hypergraph of order n has vertex set {1, 2, . . . , n} and, as its edge set, the set of all possible subsets of size 3. A 4-cycle in this hypergraph is v1, e1, v2, e2, v3, e3, v4, e4, v1 where {v1, v2, v3, v4} are distinct vertices and {e1, e2, e3, e4} are distinct 3-edges such that vi, vi+1 ∈ ei for i = 1, 2, 3 and v4, v1 ∈ e4 (also known as a Berge cycle). A decomposition of a hypergraph is a partition of its edge set into edge-disjoint subsets. In this paper, we give necessary and sufficient conditions for a decomposition of the complete 3-uniform hypergraph of order n into 4-cycles.
将完全一致超图分解为 Hamilton Berge 循环
DOI: 10.1016/j.jcta.2014.04.010
发表时间: 2014
期刊: Journal of Combinatorial Theory, Series A
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作者:
Kühn D
通讯作者: Kühn D