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UID:20250809T165250EDT-80453CbaMo@132.216.98.100
DTSTAMP:20250809T205250Z
DESCRIPTION:Title: Boundedness and continuity for rearrangements on spaces 
 defined by mean oscillation.\n\n\n	Abstract: In joint work with Almut Burch
 ard and Galia Dafni\, we study the boundedness and continuity of rearrange
 ment operators on the space BMO of functions of bounded mean oscillation. 
 Improved bounds are obtained for the BMO-seminorm of the decreasing rearra
 ngement\, and the symmetric decreasing rearrangement is shown to be bounde
 d on BMO. Both of these rearrangements are shown to be discontinuous as ma
 ps on BMO\, but sufficient normalization conditions are established to gua
 rantee continuity on the subspace VMO of functions of vanishing mean oscil
 lation.\n	 \n\nFor Zoom meeting information please contact dmitry.jakobson 
 [at] mcgill.ca\n
DTSTART:20201211T143000Z
DTEND:20201211T153000Z
SUMMARY:Ryan Gibara (Laval)
URL:/mathstat/channels/event/ryan-gibara-laval-326768
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