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树

File:Tree_graph.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ272735· pop 40· linked from 497 articles

Also known as tree graph

undirected, connected and acyclic graph

Key facts

Vertices
v
Edges
v − 1
Chromatic number
2 if v > 1

via Wikipedia infobox

Wikidata facts

Subclass of
block graph
Named after
tree
Image
Tree graph.svg
Show 8 more facts
Commons category
Tree diagrams
topic's main category
Category:Trees (graph theory)
different from
Baum
derivative work
tree structure
does not have part
cycle
has characteristic
chromatic number
studied by
graph theory
Commons gallery
Tree diagram
Sources (2)

via Wikidata · CC0

Article · 中文

在图论中,树(英語:Tree)是一種無向圖(undirected graph),其中任意两个顶点间存在唯一一條路径。或者说,只要没有回路的连通图就是树。森林是指互相不交并树的集合。树图广泛应用于计算机科学的数据结构中,比如二叉查找树,堆,Trie树以及数据压缩中的霍夫曼树等等。

Abstract from DBpedia / Wikipedia · CC BY-SA