超简单(v,4,2)有向设计及其定义集最小尺寸的下界
组合数学
2015-08-04 v1
摘要
本文中,我们证明对于所有 ,存在超简单 (v, 4, 2) 有向设计。同时,我们证明对于这些参数,存在一种超简单 (v, 4, 2) 有向设计,其每个定义集至少含有半数的块。
引用
@article{arxiv.1508.00098,
title = {Super-simple (v, 4, 2) directed designs and a lower bound for the minimum size of their defining set},
author = {M. Boostan and S. Golalizadeh and N. Soltankhah},
journal= {arXiv preprint arXiv:1508.00098},
year = {2015}
}
备注
17 pages. Discrete Applied Mathematics(accepted)