For faster navigation, this Iframe is preloading the Wikiwand page for 完全二分图.

完全二分图

此條目没有列出任何参考或来源。 (2015年11月23日)維基百科所有的內容都應該可供查證。请协助補充可靠来源改善这篇条目。无法查证的內容可能會因為異議提出而被移除。
完全二分图
一个完全二分图m=3 n =2
顶点n+m
mn
自同构群2m!n!如果m=n,否则m!n!

完全二分图是一种特殊的二分图,可以把图中的顶点分成两个集合,使得第一个集合中的所有顶点都与第二个集合中的所有顶点相连。

定义

[编辑]

完全二分图是一个二分图,使得对于任何两个顶点都是中的一条边。的完全二分图记为

例子

[编辑]

性质

[编辑]
  • 平面图不能含有子图外平面图英语Outerplanar graph不能含有子图(这些是必要条件而不是充分条件)。
  • 完全二分图顶点覆盖数,边覆盖数为
  • 完全二分图具有大小为最大独立集英语Maximum independent set
  • 完全二分图具有大小为最大匹配英语Maximum cardinality matching
  • 完全二分图具有正则的n-边染色英语Edge coloring
  • 完全二分图有mn-1 nm-1个不同的生成树

参见

[编辑]
{{bottomLinkPreText}} {{bottomLinkText}}
完全二分图
Listen to this article

This browser is not supported by Wikiwand :(
Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience.
Please download and use one of the following browsers:

This article was just edited, click to reload
This article has been deleted on Wikipedia (Why?)

Back to homepage

Please click Add in the dialog above
Please click Allow in the top-left corner,
then click Install Now in the dialog
Please click Open in the download dialog,
then click Install
Please click the "Downloads" icon in the Safari toolbar, open the first download in the list,
then click Install
{{::$root.activation.text}}

Install Wikiwand

Install on Chrome Install on Firefox
Don't forget to rate us

Tell your friends about Wikiwand!

Gmail Facebook Twitter Link

Enjoying Wikiwand?

Tell your friends and spread the love:
Share on Gmail Share on Facebook Share on Twitter Share on Buffer

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

This photo is visually disturbing This photo is not a good choice

Thank you for helping!


Your input will affect cover photo selection, along with input from other users.

X

Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?