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北美退伍军人节(Veterans Day),12 日无更新
arXiv 2004.05527math.CO
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由删除$\ell$顶点得到的多子图集重构图

On reconstruction of graphs from the multiset of subgraphs obtained by deleting $\ell$ vertices

Alexandr V. Kostochka, Douglas B. West

摘要:

Ulam的重构猜想断言,对于$n\geq 3$,每个$n$ -顶点图都由它的导出子图的多集决定,导出子图的顶点数为$n-1$.该猜想被认为适用于各种特殊类别的图,但仍然是开放的。我们调查的结果更一般的猜想凯利从1957年,对每一个正整数$\ell$存在$M_\ell$(与$M_1=3$),使当$n\geq M_\ell$每一个$n$ -顶点图是由它的诱导子图的多集与$n-\ell$顶点。

英文摘要:

The Reconstruction Conjecture of Ulam asserts that, for $n\geq 3$, every $n$-vertex graph is determined by the multiset of its induced subgraphs with $n-1$ vertices. The conjecture is known to hold for various special classes of graphs but remains wide open. We survey results on the more general conjecture by Kelly from 1957 that for every positive integer $\ell$ there exists $M_\ell$ (with $M_1=3$) such that when $n\geq M_\ell$ every $n$-vertex graph is determined by the multiset of its induced subgraphs with $n-\ell$ vertices.

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