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SUMMARY:Sun-Yung Alice Chang (Princeton University)
DTSTART:20210525T170000Z
DTEND:20210525T180000Z
DTSTAMP:20260423T035031Z
UID:OSGA/62
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/OSGA/62/">On
  bi-Lipschitz equivalence of a class of non-conformally flat spheres</a>\n
 by Sun-Yung Alice Chang (Princeton University) as part of Online Seminar "
 Geometric Analysis"\n\n\nAbstract\nThis is a report of some recent joint w
 ork with Eden Prywes and Paul Yang. The main\nresult is a bi-Lipschitz equ
 ivalence of a class of metrics on 4-shpere under curvature constraints. Th
 e proof involves two steps: first a construction of quasiconformal maps be
 tween\ntwo conformally related metrics in a positive Yamabe class\, follow
 ed by the step of applying\nthe Ricci flow to establish the bi-Lipschitz e
 quivalence from such a conformal class to the\nstandard conformal class on
  4-spheres.\n
LOCATION:https://researchseminars.org/talk/OSGA/62/
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