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SUMMARY:Sergey Fomin
DTSTART:20201125T160000Z
DTEND:20201125T165000Z
DTSTAMP:20260419T104505Z
UID:icra2020/27
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/icra2020/27/
 ">Expressive curves</a>\nby Sergey Fomin as part of ICRA 2020\n\n\nAbstrac
 t\nWe call a real plane algebraic curve C expressive if its defining polyn
 omial has the smallest number of critical points allowed by the topology o
 f the set of real points of C. We give a necessary and sufficient criterio
 n for expressivity (subject to a mild technical condition)\, describe seve
 ral constructions that produce expressive curves\, and relate their study 
 to the combinatorics of plabic graphs\, their quivers and links. This is j
 oint work with E. Shustin.\n
LOCATION:https://researchseminars.org/talk/icra2020/27/
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