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SUMMARY:Fourier uniqueness and non-uniqueness pairs
DTSTART:20230221T150000
DTEND:20230221T164500
DTSTAMP:20260609T084011Z
UID:754c00aebeef8030cc7460e353418d8cd49376615ec918c2e91070a4
CATEGORIES:Conferences - Seminars
DESCRIPTION:Mikhail Sodin (Tel Aviv University)\nMotivated by a discovery 
 by Radchenko and Viazovska and by a recent work by Ramos and Sousa\,\nwe f
 ind conditions sufficient for a pair of discrete subsets of the real axis 
 to be a uniqueness or a non-uniqueness \npair for the Fourier transform. 
 These conditions are not too far from each other.  The uniqueness theorem
  can be \nupgraded to the frame bound and an interpolation formula\, whic
 h in turn produce an abundance of Poisson-like \nformulas (a.k.a. "crysta
 lline measures"). 
LOCATION:GA 3 21 https://plan.epfl.ch/?room==GA%203%2021
STATUS:CONFIRMED
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