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SUMMARY:Joseph Palmer (University of Illinois\, Urbana-Champaign)
DTSTART:20210503T150000Z
DTEND:20210503T152500Z
DTSTAMP:20260423T023937Z
UID:JGPW2021/1
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/JGPW2021/1/"
 >Hamiltonian $S^1$-spaces\, semitoric integrable systems\, and hyperbolic 
 singularities</a>\nby Joseph Palmer (University of Illinois\, Urbana-Champ
 aign) as part of Junior Global Poisson Workshop II\n\n\nAbstract\nA Hamilt
 onian action of $S^1$ on a symplectic 4-manifold comes with a real valued 
 Hamiltonian function $J$. When we can we find a smooth map $H$ such that $
 (J\,H)$ is an integrable system? Moreover\, what can we say about the prop
 erties of the resulting system $(J\,H)$ in different situations? We explor
 e these questions and how their answers relates to toric integrable system
 s\, semitoric integrable systems\, and a class of integrable systems with 
 hyperbolic singularities which generalize semitoric systems. This is joint
  work with S. Hohloch.\n
LOCATION:https://researchseminars.org/talk/JGPW2021/1/
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