22.04.2026, 10:15
– Haus 9, Raum 1.22
Forschungsseminar: Gruppen und Operatoralgebren
Homology and K-theory for self-similar group actions
Alistair Miller (KU Leuven)
Christian Seifert (Hamburg Harburg)
We consider families of bounded linear operators on \ell_p-spaces of discrete groups, parametrized by a dynamical system. By using limit operator techniques, we show that all the operators from that family have the same spectrum (as a set), provided the dynamical system is minimal.