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SUMMARY:Andreas Seeger (University of Wisconsin-Madison)
DTSTART:20201217T140000Z
DTEND:20201217T145000Z
DTSTAMP:20260423T052454Z
UID:IMS/73
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/IMS/73/">Lp 
 improving bounds for spherical maximal operators</a>\nby Andreas Seeger (U
 niversity of Wisconsin-Madison) as part of PDE seminar via Zoom\n\n\nAbstr
 act\nConsider maximal operators for spherical means where the dilations ar
 e\n\nrestricted to a given subset of a compact interval. We discuss Lp imp
 roving\n\nestimates for such operators and connections to related global p
 roblems.\n\nThe results depend on various notions of fractal dimension of 
 the dilation\n\nset or subsets of it. There are some unexpected results on
  the shape of the\n\npossible type set. This is joint work with Joris Roos
 \, and also relates to earlier work with\n\nTheresa Anderson\, Kevin Hughe
 s and Joris Roos.\n
LOCATION:https://researchseminars.org/talk/IMS/73/
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