V2EX tree property

Tree Property

释义 Definition(中文)

“Tree property”常指“树的性质/树特性”:在数学(尤其是图论)与计算机科学中,用来描述“树(tree)”所满足的关键特征,例如:连通且无环、或任意两点之间有且仅有一条简单路径等。不同语境下具体指哪条性质,需要看上下文(如生成树、最小生成树、数据结构中的树)。

发音 Pronunciation(IPA)

/tri prprti/

例句 Examples

The tree property makes it easy to find a unique path between two nodes.
树的性质使得在两个节点之间找到唯一的路径变得很容易。

In graph theory, the tree property that “a connected graph with \(n\) vertices has \(n-1\) edges” is often used to prove that a structure is a tree.
在图论中,“一个有 \(n\) 个顶点的连通图若有 \(n-1\) 条边”这一树的性质常用于证明某个结构是树。

词源 Etymology(中文)

tree 原义为“树(植物)”,后来在数学与计算机科学中借用其“分枝结构”的形象来表示层级关系与分叉结构;property 来自拉丁语 proprietas,意为“特性、属性”。合起来的 tree property 就是“(作为树这种结构所具有的)关键特性”。

相关词 Related Words

文学/著作中的用例 Literary Works

  • Introduction to Algorithms(Cormen, Leiserson, Rivest, Stein):在讨论树、图与生成树时常以“树的性质”作为证明与推导基础。
  • Graph Theory(Reinhard Diestel):讲解树(Trees)章节中反复使用各种“tree properties”刻画树的等价定义与推论。
  • The Art of Computer Programming, Volume 1: Fundamental Algorithms(Donald E. Knuth):涉及树结构与相关性质(如路径、遍历、结构约束)的表述与应用。
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