Matrix entries, unipotents, and linearity of amalgams
Group Theory
2026-03-26 v1 Geometric Topology
Abstract
We investigate linearity of amalgams of subgroups of algebraic groups along intersections with algebraic subgroups. In the process, we establish linearity of certain "doubles" of linear groups, and obtain new examples of finitely generated residually finite groups that fail to be linear.
Cite
@article{arxiv.2603.23969,
title = {Matrix entries, unipotents, and linearity of amalgams},
author = {Sami Douba and Konstantinos Tsouvalas},
journal= {arXiv preprint arXiv:2603.23969},
year = {2026}
}
Comments
18 pages. Comments welcome