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Generalized non-positive curvature and higher-rank hyperbolicity Abstract
Speaker: Urs Lang


In this talk I will first survey several classes of metric spaces that are non-positively curved in a (very) weak global sense and explain how they are interrelated. A focus will be on coarsely injective spaces, which have recently proven to play an unexpectedly universal role in generalizations of Gromov hyperbolicity. In a second part I will discuss some joint work with Tommaso Goldhirsch which complements results of Stefan Wenger and of Bruce Kleiner and myself on hyperbolicity phenomena in spaces of higher asymptotic rank.

Date : Tue, Jul 18

Time: 11:45

Place: Karlsruhe - SR 1067