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Low dimensional geometric dynamics

Feral J-curves and minimal subsets

speaker: Joel Fish (Institute for Advanced Study / UMass Boston)

abstract: I will discuss some current joint work with Helmut Hofer, in which we use (feral) pseudoholomorphic curves to study certain divergence free flows in dimension three. In particular, we show that if H is a smooth, proper, Hamiltonian on R^4, then no energy level of H is minimal.

timetable:
Mon 20 Apr, 16:30 - 17:30, Aula Dini
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