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SUMMARY:Claude Zuily (Universite Paris-Saclay)
DTSTART:20210205T140000Z
DTEND:20210205T160000Z
DTSTAMP:20260423T021054Z
UID:OpenPDEA/3
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/OpenPDEA/3/"
 >(LECTURE) Quantitative unique continuation: an introduction. After A.Logu
 nov and E. Malinnikova.</a>\nby Claude Zuily (Universite Paris-Saclay) as 
 part of Open PDE and analysis seminar and lectures\n\n\nAbstract\nThe ques
 tion of the unique continuation from open sets for solutions of elliptic e
 quations with Lipschitz coefficients as well as its quantitative version h
 ave been positively answered a long time ago mainly using the technique of
  Carleman estimates. The same question where the open set is replaced by a
  set of positive measure is more recent. In 2017 A. Logunov and E. Malinni
 kova introduced new ideas to face this problem. The present lecture is an 
 introduction to their techniques which appear to have applications to the 
 study of the size of the nodal sets of eigenfunctions as well as to contro
 l theory.\n\nThis meeting starts at 3pm in France time (9pm ET). Here is t
 he zoom link:\nhttps://univ-cotedazur.zoom.us/j/82084903423?pwd=UUJIS0ZSUm
 5lR1FZcDFoWTd4Wis3dz09\n
LOCATION:https://researchseminars.org/talk/OpenPDEA/3/
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