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路与圈直积的直径与容错直径研究
Diameter and Fault-Tolerant Diameter of the Direct Product of Path and Cycle

DOI: 10.12677/pm.2026.161024, PP. 213-227

Keywords: 路,圈,直积图,直径,容错直径
Path
, Cycle, Direct Product Graph, Diameter, Fault-Tolerant Diameter

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Abstract:

本文研究了路径图 P n ,圈图 C m 及其直积图 P n × P m ,? P n × C m 和 C n × C m 的直径与容错直径,其中 n 和 m 为正整数。对于给定的正整数 k ,通过分析图的结构特性,我们给出了这些图的直径与 k -容错直径的精确表达式,并建立了若干关于直积图中两点间距离的计算公式。特别地,我们证明了 P n × P m 的容错直径等于其直径,而在 P n × C m 和 C n × C m 中,容错直径随图的结构参数变化而呈现出不同特性。本文的结果为图在网络容错性分析与通信延迟建模中的应用提供了理论依据。
This paper investigates the diameter and fault-tolerant diameter of path P n , cycle C m , and their direct products P n × P m , P n × C m and

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