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SUMMARY:Umut Varolgunes (Stanford University\, University of Edinburgh)
DTSTART:20211110T121000Z
DTEND:20211110T133000Z
DTSTAMP:20260423T005732Z
UID:GDS/40
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/GDS/40/">Try
 ing to quantify Gromov's non-squeezing theorem</a>\nby Umut Varolgunes (St
 anford University\, University of Edinburgh) as part of Geometry and Dynam
 ics seminar\n\n\nAbstract\nGromov's celebrated result says (colloquially) 
 that one cannot symplectically \nembed a ball of radius 1.1 into a cylinde
 r of radius 1. I will show that in \n4d if one removes from this ball a La
 grangian plane passing through the \norigin\, then such an embedding becom
 es possible. I will also show that this \ngives the smallest Minkowski dim
 ension of a closed subset with this property. \nI will end with many quest
 ions. This is based on joint work with K. Sackel\, \nA. Song and J. Zhu.\n
LOCATION:https://researchseminars.org/talk/GDS/40/
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