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Commuting involution graphs of linear groups

2016/10/25 by Sanghoon Baek, Baek, Sanghoon, Changhyouk Han +1
Mathematics · Engineering · #Finite Group Theory Research #graph theory and CDMA systems #Advanced Topics in Algebra

paper · pdf · doi:10.48550/arxiv.1610.07938

Abstract

In this paper, we determine the diameter of the commuting involution graphs of special and general linear groups over an arbitrary field. It turns out that our results also determine the diameter for certain projective special linear groups over finite fields. Moreover, we find the diameter of the commuting graphs of general linear groups on the set of all involutions over a field of characteristic 2, which completes the diameter of general linear groups on the set of all involutions. As an application, we classify the structure of the four-dimensional linear groups over finite fields according to the distance from a fixed involution.

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