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math.GR2026
Examples of finitely presented groups with strong fixed point properties and property (T)
Indira Chatterji, Martin Kassabov
We construct a finitely presented group with property (T) which can not act on on reasonable spaces. Such group is constructed using an generalization of Hall embedding theorem, wh…
math.GR2025
Discrete Linear Groups containing Arithmetic Groups
Indira Chatterji, T. N. Venkataramana
We prove in a large number of cases, that a Zariski dense discrete subgroup of a simple real algebraic group which contains a higher rank lattice is a lattice in the group .…