EPISODE · Dec 23, 2018 · 23 MIN
S2E23. 寻找图中的宝石--强正则图
from 大老李聊数学（全集）
正则图的定义就是如果一个图的所有点的度数，也就是所有点的邻居数量相等，则它就是正则图。强正则图它需要在正则图基础上再多两个条件：1. 对任意两个相邻的点，同时与这两点相邻的点的数目相等，这个数字通常记作希腊字母λ2. 对任意两个不相邻的点，同时与这两点相邻的点数目也相等，这个数字记作希腊字母μ。(9,4,1,2)强正则图，也是一个“广义四边形”。一些佩里图西力克汉特图佩特森图订阅公众号获取音频讲稿：dalaoli_shuxue
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S2E23. 寻找图中的宝石--强正则图
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