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SUMMARY:Fulvio Ricci (Scuola Normale Superiore)
DTSTART:20210224T170000Z
DTEND:20210224T180000Z
DTSTAMP:20260423T021305Z
UID:HAeS/12
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/HAeS/12/">Mu
 lti-parameter structures</a>\nby Fulvio Ricci (Scuola Normale Superiore) a
 s part of Harmonic analysis e-seminars\n\n\nAbstract\nIn this talk we give
  a survey on a certain number of multi-parameter structures\, on $\\mathbb
  R^n$ and on nilpotent groups\, that have been introduced in the last 20 y
 ears. They include flag and multi-norm structures.\nThese structures are i
 ntermediate between the one-parameter dilation structures of standard Cald
 erón-Zygmund theory and the full $n$-parameter product structure. Each st
 ructure has its own type of maximal functions\, singular integral operator
 s\, square functions\, Hardy spaces.\n
LOCATION:https://researchseminars.org/talk/HAeS/12/
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