中文

关于Specker关于有限图欧几里得表示的一个问题

组合数学 2018-10-26 v5

摘要

称图GGRn\R ^n中可表示,如果存在一个从顶点集到欧几里得空间Rn\R ^n的映射ff,使得f(x)f(x)=f(y)f(y)\| f(x) - f(x')\| = \| f(y) - f(y')\|当且仅当{x,x}\{x,x'\}{y,y}\{y, y'\}GG中同为边或同为非边。本文旨在给出Einhorn和Schoenberg的以下结果的证明:若有限图GG既非完全图也非独立集,则它在RG2\R ^{|G|-2}中可表示。类似结果在有限完全边染色图的情形也成立。

关键词

引用

@article{arxiv.0810.2359,
  title  = {On a problem of Specker about Euclidean representations of finite graphs},
  author = {L. Nguyen Van Thé},
  journal= {arXiv preprint arXiv:0810.2359},
  year   = {2018}
}

备注

8 pages, 2 figures. The 2011 version of this article was supposed to remain unpublished because the question it answers was actually answered in 1966 (even before the question existed!). This new version, with a typo corrected on p.3, will nevertheless appear as an expository article in Expo. Math