A Bound on the Number of Edges in Graphs Without an Even Cycle

A Bound on the Number of Edges in Graphs Without an Even Cycle
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DOI:
10.1017/s0963548316000134
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发表时间:
2014-03
期刊:
Combinatorics, Probability and Computing
影响因子:
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通讯作者:
B. Bukh;Zilin Jiang
B. Bukh;Zilin Jiang
中科院分区:
其他
文献类型:
--
作者:
B. Bukh;Zilin Jiang

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我们证明了,对于每个固定的k,一个不包含长度为2k的圈的n-顶点图最多有$80\sqrt{k\log k}\cdot n^{1+1/k}+O(n)$边。
We show that, for each fixed k, an n-vertex graph not containing a cycle of length 2k has at most $80\sqrt{k\log k}\cdot n^{1+1/k}+O(n)$ edges.