96 citations · 190 across the 18 of their papers we have counts for
Showing 2008Show all
2 papers · 1 filter
math.GR2008★ 7 cited
Group actions on median spaces
Bogdan Nica
We investigate the geometry of median metric spaces. The group-theoretic applications are towards Kazhdan's property (T) and Haagerup's property.
math.OA2008
Relatively spectral morphisms and applications to K-theory
Bogdan Nica
Spectral morphisms between Banach algebras are useful for comparing their K-theory and their "noncommutative dimensions" as expressed by various notions of stable ranks. In practic…