Geometry Seminar - Abstracts

Talk

Tuesday 21 June 2022, 13:30 - 14:30 in HG03.085
Cornelia Vizman (Timi┼čoara)
The area preserving diffeomorphism group: coadjoint orbits and representations

Abstract

Singular vorticities for ideal 2D fluids are confined to coadjoint orbits of the area-preserving diffeomorphism group. Examples are point vortices and vortex lines, but also vortex dipoles and pointed vortex lines. We take a look at the corresponding coadjoint orbits, we discuss their (pre)quantization, we describe their characters in a geometric manner, and we build induced representations.


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