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From Celestial Mechanics to Fluid Dynamics: Contact structures with singularities

Hamiltonian systems, from topology to applications through analysis II November 26, 2018 - November 30, 2018

November 28, 2018 (11:00 AM PST - 12:00 PM PST)
Speaker(s): Eva Miranda (Polytechnical University of Cataluña (Barcelona))
Location: MSRI: Simons Auditorium
Primary Mathematics Subject Classification
Secondary Mathematics Subject Classification No Secondary AMS MSC
Video

11-Miranda

Abstract

Taking as starting point several examples from Celestial mechanics where regularization techniques bring singularities in, we will introduce the geometry of contact structures where the regularity of the contact 1-form is relaxed. Contact structures also show up modelling problems in Fluid Dynamics and singularities also appear naturally in this context (ongoing joint work with Robert Cardona and Daniel Peralta-Salas).  

Two main geometrical problems will be addressed in this talk: The existence problem of contact structures with singularities on a given manifold and the study of its Reeb Dynamics, in particular, the existence of periodic orbits (Weinstein conjecture).

This is joint work with Cédric Oms.

Supplements
Asset no preview Notes 1.22 MB application/pdf Download
Video/Audio Files

11-Miranda

H.264 Video 11-Miranda.mp4 135 MB video/mp4 Download
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