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math.GR2019★ 6 cited
Borel density for approximate lattices
Michael Björklund, Tobias Hartnick, Thierry Stulemeijer
We extend classical density theorems of Borel and Dani--Shalom on lattices in semisimple, respectively solvable algebraic groups over local fields to approximate lattices. Our proo…
math.GR2019
Stability in Bounded Cohomology for Classical Groups, I: The Symplectic Case
Carlos De la Cruz Mengual, Tobias Hartnick
We show that continuous bounded group cohomology stabilizes along the sequences of real or complex symplectic Lie groups, and deduce that bounded group cohomology stabilizes along…