Automorphism Group and Other Properties of Zero Component Graph over a Vector Space

Shikun Ou, Yanqi Fan, Qunfang Li and Elena Guardo

Journal of Mathematics, 2021, vol. 2021, 1-8

Abstract: In this paper, we introduce an undirected simple graph, called the zero component graph on finite-dimensional vector spaces. It is shown that two finite-dimensional vector spaces are isomorphic if and only if their zero component graphs are isomorphic, and any automorphism of a zero component graph can be uniquely decomposed into the product of a permutation automorphism and a regular automorphism. Moreover, we find the dominating number, as well as the independent number, and characterize the minimum independent dominating sets, maximum independent sets, and planarity of the graph. In the case that base fields are finite, we calculate the fixing number and metric dimension of the zero component graphs and determine vector spaces whose zero component graphs are Hamiltonian.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:5595620

DOI: 10.1155/2021/5595620

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