Vertex Ramsey properties of randomly perturbed graphs

Vertex Ramsey properties of randomly perturbed graphs
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随机扰动图的顶点拉姆齐性质

DOI:
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发表时间:
2019
期刊:
Random Struct. Algorithms
影响因子:
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通讯作者:
Andrew Treglown
Andrew Treglown
中科院分区:
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文献类型:
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作者:
Shagnik Das;Patrick Morris;Andrew Treglown

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给定图F, H和G,我们说G是(F, H)v‐Ramsey,如果G的每个红/蓝顶点着色都包含F的红色副本或H的蓝色副本,则G是(F, H)v‐Ramsey。Łuczak, Ruciński和Voigt, Kreuter的结果确定了随机图G(n, p)为(F, H)v‐Ramsey的属性的阈值。本文研究了随机摄动图集合中的姊妹问题。特别是,我们确定需要向密集图添加多少随机边,以确保对至少包含一个团的所有对(F, H)的结果图有很高的概率是(F, H) v - Ramsey。
Given graphs F, H and G, we say that G is (F, H )v‐Ramsey if every red/blue vertex coloring of G contains a red copy of F or a blue copy of H. Results of Łuczak, Ruciński and Voigt, and Kreuter determine the threshold for the property that the random graph G(n, p) is (F, H )v‐Ramsey. In this paper we consider the sister problem in the setting of randomly perturbed graphs. In particular, we determine how many random edges one needs to add to a dense graph to ensure that with high probability the resulting graph is (F, H )v‐Ramsey for all pairs (F, H) that involve at least one clique.
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影响因子: --
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