Induced subtrees in graphs of large chromatic number
Induced subtrees in graphs of large chromatic number
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DOI:
10.1016/0012-365x(80)90230-7
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发表时间:
1980
期刊:
影响因子:
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通讯作者:
A. Gyárfás;E. Szemerédi;Z. Tuza
中科院分区:
文献类型:
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作者:
A. Gyárfás;E. Szemerédi;Z. Tuza
Our paper proves special cases of the following conjecture: for any fixed treeTthere exists a natural numberf=f(T) to that every triangle-free graph of chromaticnumberf(T) containsTas an induced subgraph. The main result concerns the case whenThas radius two.