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Commensurators of Thin Subgroups
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- 1 Commensurators of thin Subgroups
- 2 Motivational theorem due to Margolis
- 3 Does characterized arithmetic lattices in discrete subgroups
- 4 Let HG be a thin subgroup this is in the sense of sernek
- 5 Illustration of strategy
- 6 First proposition Greenberg
- 7 Theorem Leininger-Long-Read
- 8 Proposition reduces shalom's question looking at H thin n with limit h is equal to all of the boundary
- 9 How to construct examples of such h?
- 10 Theorem Thomas Koberda
- 11 Strategy
- 12 Theorem Borel
- 13 Trick
- 14 Want to look at: Action of l on Q = tou/h
- 15 Observation
- 16 Proposition
- 17 Strategy Hormonic maps
- 18 Observation
