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SUMMARY:John Hoffman (University of Missouri-Columbia)
DTSTART:20201130T170000Z
DTEND:20201130T175000Z
DTSTAMP:20260423T024836Z
UID:anpdews/44
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/anpdews/44/"
 >Regular Lip(1\,1/2) Approximation of Parabolic Hypersurfaces</a>\nby John
  Hoffman (University of Missouri-Columbia) as part of HA-GMT-PDE Seminar\n
 \n\nAbstract\nA classical result of David and Jerison states that a regula
 r\, n-dimensional set in R^{n+1} satisfying a two sided corkscrew conditio
 n is quantitatively approximated by Lipschitz graphs.  After reviewing thi
 s result\, we will discuss some recent advances in extending this result t
 o the parabolic setting.  The proofs of these results are quite difficult\
 , but many of the underlying principles are easy to understand and quite g
 eometric and presenting these geometric ideas will be the focus of this ta
 lk.  As such\, this talk will feature lots of pictures!  Crucially\, we hi
 ghlight how fundamental differences of the parabolic setting require us to
  consider additional nuances which are not present in the elliptic setting
 .  We will sketch the ideas of how to circumvent these difficulties.\n
LOCATION:https://researchseminars.org/talk/anpdews/44/
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