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arXiv 1901.01436math.CO
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与星有关的多部图的对角Ramsey数

Diagonal Ramsey numbers in multipartite graphs related to stars

C. J. Jayawardene

摘要:

令$n$顶点上的星,即$K_{1,n-1}$,用$S_n$表示。如果完全平衡多部图$K_{j \times s}$的边的每两个着色都有一个$S_n$的第一种颜色的副本或一个$S_m$的第二种颜色的副本,则我们称之为$K_{j \times s}\rightarrow (S_n,S_m)$。拉姆齐多方数$m_j(S_n, S_m)$的大小是使得$K_{j \times s}\rightarrow (S_n,S_m)$的最小自然数$s$。本文给出了$n,m \ge 3$和$j \ge 3$的尺寸Ramsey数$m_j(S_n,S_m)$的精确值.

英文摘要:

Let the star on $n$ vertices, namely $K_{1,n-1}$ be denoted by $S_n$. If every two coloring of the edges of a complete balanced multipartite graph $K_{j \times s}$ there is a copy of $S_n$ in the first color or a copy of $S_m$ in the second color, then we will say $K_{j \times s}\rightarrow (S_n,S_m)$. The size Ramsey multipartite number $m_j(S_n, S_m)$ is the smallest natural number $s$ such that $K_{j \times s}\rightarrow (S_n,S_m)$. In this paper, we obtain the exact values of the size Ramsey numbers $m_j(S_n,S_m)$ for $n,m \ge 3$ and $j \ge 3$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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