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BEGIN:VEVENT
DTSTAMP:20230206T153025Z
DTSTART:20230208T130000Z
DTEND:20230208T140000Z
SUMMARY:Benjamin Walker -- North West Seminar Series in Mathematical Biol
 ogy and Data Sciences [ONLINE]
UID:{http://www.columbasystems.com/customers/uom/gpp/eventid/}ktk-ld319gj
 m-6e9nk2
DESCRIPTION:Join us for this seminar by Benjamin Walker (UCL) as part of 
 the North West Seminar Series in Mathematical Biology and Data Sciences.
  Details of the full series can be found here https://www.cms.livjm.ac.u
 k/APMSeminar/\n\nThe talk will be hosted by the University of Liverpool 
 and streamed via zoom or teams\, please contact carl.whitfield@mancheste
 r.ac.uk or bnvasiev@liverpool.ac.uk for the link\, or sign up to the mai
 ling list.\n\nAbstract: Swimming on the microscale has long been the sub
 ject of intense research efforts\, from experimental studies of bacteria
 \, sperm\, and algae through to varied theoretical questions of low-Reyn
 olds-number fluid mechanics. The biological and biophysical settings tha
 t drive this ongoing research are often confoundingly complex\, a fact t
 hat has driven the development and use of simple models of microswimmers
 . In this talk\, we'll motivate and explore some of these models\, build
 ing up our intuition for Stokesian fluid dynamics and the behaviours of 
 microscale swimmers. Using these models\, we will showcase how we can of
 ten exploit separated scales present in these problems to reveal surpris
 ingly simple emergent dynamics\, ranging from coarse-grained flow profil
 es to predictions of globally attracting\, long-term behaviours. In doin
 g so\, we'll also uncover a surprising cautionary tale\, the root of whi
 ch is captured by a single\, elementary statement that nevertheless call
 s into question much of the intuition gained from commonplace models of 
 microswimming. In particular\, we'll see that a wave-of-the-hands\, whic
 h I have been guilty of before\, can drastically and qualitatively chang
 e the dynamics that simple models predict\, and we'll see how such misst
 eps can be addressed through systematic multiscale methods.\n\nTo subscr
 ibe to the mailing list for this event series\, please send an e-mail wi
 th the phrase “subscribe math-lifesci-seminar” in the message body to li
 stserv@listserv.manchester.ac.uk
STATUS:TENTATIVE
TRANSP:TRANSPARENT
CLASS:PUBLIC
LOCATION:Online
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