1) connected graphs distance
有向图"距离"
2) directed distance
有向距离
1.
The sum of the directed distances from any point in space to equicrural tetrahedrom s four planes is a definite number.
给出空间任意一点到等腰四面体4个面有向距离的一个定值性质。
3) thin weakly distance-regular diagraphs
非弱距离正则有向图
4) weakly distance-regular digraph
弱距离正则有向图
1.
The lexicographic product Γ′=Γ from Γ to C*r is constructed and the equivalent conditions for it being a weakly distance-regular digraphs is given.
构作了从Γ到Cr*的字典式积图Γ′=Γ[Cr*],给出了Γ′=Γ[Cr*]是弱距离正则有向图的充要条件。
2.
In this paper , we discuss the constructions of lexicographic product and directed product from weakly distance-regular digraphs to undirected graphs, and of lexicographic product from a digraph to a digraph.
本文讨论由弱距离正则有向图到无向图的字典式积、直积及两个有向图字典式积的构作,给出了它们是弱距离正则有向图的等价条件。
5) Orientation distance
定向距离图
6) Signed distance field
有向距离场
补充资料：图的减缩图(或称图子式)
图的减缩图(或称图子式)
minor of a graph
图的减缩图(或称图子式)【.皿以ofa脚户;MHHoPrpa中a」【补注】设G是一个图(graph)(可以有环及多重边).G的一个减缩图(nullor)是从G中接连进行下述运算而得的任何一个图: i)删去一条边; 五)收缩一条边; 说)去掉一个孤立顶点. NRobe由on与P.D.Se脚aour的图减缩定理(脚Ph nl的。r theon习11)如下所述:已知有限图的无穷序列G，，GZ，…，则存在指标i
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条