Geodesic
On generation of the group $PGL_n(\mathbb{Z}+i\mathbb{Z})$ by three involutions, two of which commute
The Bulletin of Irkutsk State University. Series Mathematics, Tome 50 (2024), pp. 143-151 Cet article a éte moissonné depuis la source Math-Net.Ru

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The results of the paper relate to the following general problem. Find natural finite generating sets of elements of a given linear group over a finitely generated commutative ring. Of particular interest are coefficient rings that are generated by a single element, for example, the ring of integers or the ring of Gaussian integers. We prove that a projective general linear group of dimension $n$ over the ring of Gaussian integers is generated by three involutions two of which commute if and only if $n$ is greater than $4$ and $4$ does not divide $n$. Earlier, M. A. Vsemirnov, R. I. Gvozdev, D. V. Levchuk and the authors of this paper solved a similar problem for the special and projective special linear groups.
Keywords: projective general linear group, the ring of Gaussian integers, generating triples of involutions. 
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Ya. N. Nuzhin; T. B. Shaipova. On generation of the group $PGL_n(\mathbb{Z}+i\mathbb{Z})$ by three involutions, two of which commute. The Bulletin of Irkutsk State University. Series Mathematics, Tome 50 (2024), pp. 143-151. http://geodesic.mathdoc.fr/item/IIGUM_2024_50_a9/

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