仙人掌链边Pi指数、顶点Pi指数和塞格德指数的计算

Mathematica Montisnigri Pub Date : 1900-01-01 DOI:10.20948/mathmontis-2022-54-2

Sasa Vujosevic

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引用次数: 0

摘要

仙人掌链是一个连通图，其中所有的块都是循环，每个循环最多有两个切割顶点，每个切割顶点恰好由两个循环共享。本文给出了任意仙人掌链的边PI指数和顶点PI指数的精确值，以及某些特殊类型仙人掌链的顶点seeged指数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Computation of edge Pi index, vertex Pi index and Szeged index of some cactus chains

A cactus chain is a connected graph in which all blocks are cycles, each cycle has at most two cut-vertices and each cut-vertex is shared by exactly two cycles. In this paper we give exact values of edge PI index and vertex PI index of an arbitrary cactus chain and vertex Szeged index of some special types of cactus chains.

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Mathematica Montisnigri

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