On well-quasi-ordering finite trees
On well-quasi-ordering finite trees
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DOI:
10.1017/s0305004100003844
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发表时间:
1963-10
影响因子:
0.8
通讯作者:
C. Nash-Williams
中科院分区:
文献类型:
--
作者:
C. Nash-Williams
Abstract A new and simple proof is given of the known theorem that, if T1, T2,… is an infinite sequence of finite trees, then there exist i and j such that i < j and Ti is homeomorphic to a subtree of Tj.