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math.GR2015
Geometric aspects of similarity problems
Martin Miglioli, Peter Schlicht
This article presents a geometric approach to some similarity problems involving metric arguments in the non-positively curved space of positive invertible operators of an operator…
math.GR2015★ 2 cited
Amenable groups and a geometric view on unitarisability
Peter Schlicht
We investigate unitarisability of groups by looking at actions on the cone of positive invertible operators of a Hilbert space. This way, we give a geometric prove to a result by G…