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SUMMARY:Eva Miranda (Universitat Politècnica de  Catalunya)
DTSTART:20231103T150000Z
DTEND:20231103T161500Z
DTSTAMP:20260423T024546Z
UID:CIRGET/108
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CIRGET/108/"
 >The Weinstein conjecture\, 44 years later</a>\nby Eva Miranda (Universita
 t Politècnica de  Catalunya) as part of CRM - Séminaire du CIRGET / Géo
 métrie et Topologie\n\nLecture held in PK-5115.\n\nAbstract\nThe Weinstei
 n conjecture (1979) concerns the existence of periodic orbits of Reeb vect
 or fields. Over the years\, the conjecture has undergone significant devel
 opments. In this talk\, I will provide a historical overview of the Weinst
 ein conjecture and discuss variations for singular contact manifolds.  I w
 ill relate the singular Weinstein conjecture with the existence of escape 
 orbits in celestial mechanics and fluid dynamics. Time permitting\, I will
  conclude with a counterexample to the singular Weinstein conjecture.\n\nT
 his talk is based on joint works with Josep Fontana-McNally\, Cédric Oms\
 , and Daniel Peralta-Salas (some of them ongoing).\n
LOCATION:https://researchseminars.org/talk/CIRGET/108/
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