The Erdos-Sos conjecture for graphs without C-4

被引:30
作者
Sacle, JF
Wozniak, M
机构
[1] Université Paris-Sud, L.R.I., Bât. 490
[2] Instytut Matematyki A G H, Al. Mickiewicza 30
关键词
D O I
10.1006/jctb.1997.1758
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Erdos and Sos conjectured in 1963 that if G is a graph of order n and size e(G) with e(G) > 1/2n(k-1), then G contains every tree T of size k. We prove the conjecture in the case where G does not contain the cycle C-4. (C) 1997 Academic Press.
引用
收藏
页码:367 / 372
页数:6
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