Buondì, Vi annuncio il seminario di geometria di dopodomani. A presto, Bruno

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21-Nov-2019 - 16:15 - Sala Seminari (Dip. Matematica) http://www.dm.unipi.it/webnew/it/aula/sala-seminari-dip-matematica Geometric finiteness in Hadamard manifolds http://www.dm.unipi.it/webnew/it/seminari/geometric-finiteness-hadamard-manifolds Beibei Liu (MPIM Bonn)

In this talk, we will focus on negatively pinched Hadamard manifolds which are complete, simply connected Riemannian manifolds with sectional curvature ranging between two negative constants. We use the techniques in geometric group theory to characterize geometric finiteness from different perspectives, including the geometry of the quotient manifolds, the limit set of the discrete isometry subgroups and so on.