If there is one thing worse than being an ugly duckling in a house of swans, it's having the swans pretend there's no difference.
by Teena Booth, Falling From Fire

My talks at IMPA (streaming videos)

Geometry of Gelfand-Cetlin integrable system (Conservative dynamics and symplectic geometry  2009):


Dynamics on Poisson manifolds (Poisson 2010):


(now that I listened to my own talk at IMPA, I found that my English was really horrible !)

For all video lectures recorded by IMPA: