Slides or videos of some of my talks:

Closed geodesics on reversible Finsler 2spheres
Geometry & Dynamics Seminar TelAviv
June 3, 2020

Spectral characterizations of Besse and Zoll Reeb flows
IAS/PUMontrealTelAviv Symplectic Geometry Seminar
May 8, 2020

Spectral characterizations of Besse and Zoll Reeb flows
VIII Workshop on Conservative Dynamics and Symplectic Geometry
IMPA, Rio de Janeiro, Brasil
August 7, 2019

The periodic orbits problem in Tonelli Hamiltonian dynamics
Workshop "Hamiltonian Systems, From Topology To Applications Through Analysis"
MSRI, Berkeley, California
August 24, 2018

On the boundary rigidity problem for surfaces
Deuxième congrès de la Société Mathématique de France
Université de Lille, France
June 4, 2018

Periodic orbits of magnetic flows on the 2sphere
VII Workshop on Conservative Dynamics and Symplectic Geometry
IMPA, Rio de Janeiro, Brasil
August 7, 2017

On marked boundary rigidity for surfaces
Conference "100 Years of the Radon Transform"
RICAM, Linz, Austria
March 28, 2017

Periodic orbits of exact magnetic flows on surfaces
VI Workshop on Conservative Dynamics and Symplectic Geometry
IMPA, Rio de Janeiro, Brasil
August 4, 2015

On isometryinvariant Geodesics in Product Manifolds
V Workshop on Conservative Dynamics and Symplectic Geometry
IMPA, Rio de Janeiro, Brasil
September 4, 2013
Videos of talks given by my collaborators on joint work:

Colin Guillarmou  Boundary and lens rigidity for nonconvex manifolds
Conference "Riemannian Geometry  Past, present, and future: an hommage to Marcel Berger"
IHÉS, Paris, France
December 6, 2017

Peter Albers  Periodic Bounce Orbits of Prescribed Energy
Geometry/Dynamical Systems seminar
IAS, Princeton, New Jersey
January 26, 2011