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单词 Hamiltonian Cycle
释义

Hamiltonian Cycle

中文百科

哈密顿图 Hamiltonian path

(重定向自Hamiltonian Cycle)
十二面体中的哈密顿回路
The Herschel graph is the smallest possible polyhedral graph that does not have a Hamiltonian cycle.

哈密顿图英语:Hamiltonian path,或Traceable path)是一个无向图,由天文学家哈密顿提出,由指定的起点前往指定的终点,途中经过所有其他节点且只经过一次。在图论中是指含有哈密顿回路的图,闭合的哈密顿路径称作哈密顿回路Hamiltonian cycle),含有图中所有顶的路径称作哈密顿路径


哈密尔顿图的定义: G=(V,E)是一个图,若G中一条通路通过每一个顶点一次且仅一次,称这条通路为哈密尔顿通路。若G中一个圈通过每一个顶点一次且仅一次,称这个圈为哈密尔顿圈。若一个图存在哈密尔顿圈,就称为哈密尔顿图。

英语百科

Hamiltonian path 哈密顿图

(重定向自Hamiltonian Cycle)
A Hamiltonian cycle in a dodecahedron. Like all platonic solids, the dodecahedron is Hamiltonian.
The Herschel graph is the smallest possible polyhedral graph that does not have a Hamiltonian cycle.

In the mathematical field of graph theory, a Hamiltonian path (or traceable path) is a path in an undirected or directed graph that visits each vertex exactly once. A Hamiltonian cycle (or Hamiltonian circuit) is a Hamiltonian path that is a cycle. Determining whether such paths and cycles exist in graphs is the Hamiltonian path problem, which is NP-complete.

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