On well-quasi-ordering finite trees

On well-quasi-ordering finite trees
复制标题

DOI:
10.1017/s0305004100003844
复制
发表时间:
1963-10
影响因子:
0.8
通讯作者:
C. Nash-Williams
C. Nash-Williams
中科院分区:
数学2区
文献类型:
--
作者:
C. Nash-Williams

文献摘要

被引文献

相似文献

本文给出了已知定理的一个新的简单证明:若T_1,T_2,…是有限树的无限序列,则存在i和j,使得i < j,且Ti同胚于Tj的一个子树。
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.