On the marked length spectrum of surfaces with Anosov geodesic flow.

Talk by Colin Guillarmou

Date: 11.03.26  Time: 13.30 - 14.30  Room: ETH HG G 19.1

We show that the marked length spectrum determines the isometry class for surfaces with Anosov geodesic flows. This extends a result of Otal and Croke, known previously in negative curvature. This is joint work with Lefeuvre and Paternain.