Given $n$, what is the smallest number $N=N(n)$ with the property that there exists a tree on $N$ (unlabelled) vertices that contains a copy of every tree on $n$ vertices?
That such $N$ must exist is easy to see in a number of ways.
2026-04-12 15:58:44.1776009524
Small tree containing smaller trees
43 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in COMBINATORICS
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