V2EX hamiltonian path

Hamiltonian Path

定义 Definition

哈密顿路径:在图论中,一条经过图中每个顶点恰好一次的路径(不要求回到起点)。若还要求首尾相连形成回路,则称为 Hamiltonian cycle(哈密顿回路)

发音 Pronunciation (IPA)

/hmltonin pθ/

例句 Examples

A Hamiltonian path visits every vertex exactly once.
哈密顿路径会把每个顶点恰好访问一次。

Finding a Hamiltonian path in a large graph can be computationally difficult.
在大型图中寻找一条哈密顿路径在计算上可能很困难。

词源 Etymology

Hamiltonian” 来自爱尔兰数学家 William Rowan Hamilton(威廉罗恩哈密顿) 的姓氏;“path” 意为“路径”。该术语用于图论中描述一种“覆盖所有顶点且不重复”的路径概念(与“哈密顿回路”相关)。

相关词 Related Words

文学与经典著作 Literary Works

  • 《Graph Theory》(Bondy & Murty)在讲解哈密顿图与相关路径/回路概念时使用该术语。
  • 《Introduction to Graph Theory》(Douglas B. West)系统讨论哈密顿路径、哈密顿回路及典型证明与例题。
  • 《Computers and Intractability: A Guide to the Theory of NP-Completeness》(Garey & Johnson)将哈密顿路径/回路作为经典 NP 完全问题的重要例子。
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