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Decompositions into isomorphic rainbow spanning trees
Journal of Combinatorial Theory Series B ( IF 1.2 ) Pub Date : 2020-03-10 , DOI: 10.1016/j.jctb.2020.03.002 Stefan Glock , Daniela Kühn , Richard Montgomery , Deryk Osthus
中文翻译:
分解为同构彩虹生成树
更新日期:2020-04-21
Journal of Combinatorial Theory Series B ( IF 1.2 ) Pub Date : 2020-03-10 , DOI: 10.1016/j.jctb.2020.03.002 Stefan Glock , Daniela Kühn , Richard Montgomery , Deryk Osthus
A subgraph of an edge-coloured graph is called rainbow if all its edges have distinct colours. Our main result implies that, given any optimal colouring of a sufficiently large complete graph , there exists a decomposition of into isomorphic rainbow spanning trees. This settles conjectures of Brualdi–Hollingsworth (from 1996) and Constantine (from 2002) for large graphs.
中文翻译:
分解为同构彩虹生成树
如果边缘着色图的所有子边缘都有不同的颜色,则该子图称为彩虹。我们的主要结果表明,给定足够大的完整图的最佳着色,存在分解 变成同构彩虹,横跨树木。这解决了Brualdi-Hollingsworth(来自1996)和君士坦丁(来自2002)关于大图的猜想。