08.05.2025, 16:15
– Haus 9, Raum 1.22
Forschungsseminar Differentialgeometrie
Scalar Curvature Rigidity and Higher Index Theory
Thomas Tony
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.