中文

扭曲Grassmann图是某个设计的区组图

组合数学 2017-10-20 v2

摘要

本文中,我们证明了由van Dam和Koolen构造的扭曲Grassmann图是Jungnickel和Tonchev构造的某个设计的区组图。我们还证明了该设计的全自同构群与扭曲Grassmann图的全自同构群同构。

关键词

引用

@article{arxiv.0906.4509,
  title  = {The twisted Grassmann graph is the block graph of a design},
  author = {Akihiro Munemasa and Vladimir D. Tonchev},
  journal= {arXiv preprint arXiv:0906.4509},
  year   = {2017}
}

备注

5 pages. A section on the automorphism group has been added