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SUMMARY:Elio Marconi (University of Basel)
DTSTART:20200423T130000Z
DTEND:20200423T135000Z
DTSTAMP:20260423T021121Z
UID:IMS/4
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/IMS/4/">Regu
 larity estimates for the flow of BV autonomous divergence-free planar vect
 or fields</a>\nby Elio Marconi (University of Basel) as part of PDE semina
 r via Zoom\n\n\nAbstract\nWe consider the appropriate notion of flow $X$ a
 ssociated to a bounded divergence-free vector field $b$ with bounded varia
 tion in the plane. We prove a Lusin-Lipschitz regularity result for $X$ an
 d we show that the Lipschitz constant grows at most linearly in time. As a
  consequence we deduce that both geometric and analytical mixing have a lo
 wer bound of order $1/t$ as $t\\to \\infty$. This is a joint work with Pao
 lo Bonicatto.\n
LOCATION:https://researchseminars.org/talk/IMS/4/
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