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Seminar

Matrix entries, unipotents, and linearity of amalgams February 09, 2026 (02:00 PM PST - 03:00 PM PST)
Parent Program:
Location: SLMath: Eisenbud Auditorium, Online/Virtual
Speaker(s) Sami Douba (Universität Bonn)
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Keywords and Mathematics Subject Classification (MSC)
Primary Mathematics Subject Classification No Primary AMS MSC
Secondary Mathematics Subject Classification No Secondary AMS MSC
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Matrix entries, unipotents, and linearity of amalgams

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I will discuss joint work with Konstantinos Tsouvalas where we investigate linearity of amalgams of matrix groups along intersections with algebraic subgroups. In the process, we establish linearity of certain amalgams of linear groups, and obtain new examples of finitely generated residually finite groups that fail to be linear.

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Matrix entries, unipotents, and linearity of amalgams