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DTSTART:20260329T030000
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DTSTAMP:20260424T141045Z
UID:6687bf08e3e26042314216@ist.ac.at
DTSTART:20260113T161500
DTEND:20260113T171500
DESCRIPTION:Speaker: Mathieu Helfter\nhosted by Jan Maas  \nAbstract: This 
 talk presents joint work with Ai Hua Fan in which we propose a multifracta
 l formalism for measures defined on metric spaces of infinite dimension. T
 his formalism is expressed in terms of scales rather than dimensions. With
  an appropriate choice of scale\, called the order\, we obtain what appear
 s to be the first example of a multifractal object of infinite dimension: 
 standard Brownian motion. The associated multifractal spectrum is derived 
 from the study of small deviations centered around atypical trajectories\,
  classified according to their regularity\, such as trajectories typical o
 f fractional Brownian motions.
LOCATION:Office Bldg West / Ground floor / Heinzel Seminar Room (I21.EG.101
 )\, ISTA
ORGANIZER:boosthui@ist.ac.at
SUMMARY:Mathieu Helfter: Multifractal Analysis in Infinite Dimension of the
  Wiener Measure
URL:https://talks-calendar.ista.ac.at/events/6224
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