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SUMMARY:Collective Motion: A mathematician goes on a field trip - George F
 ortune (University of Cambridge)
DTSTART:20190822T120000Z
DTEND:20190822T130000Z
UID:TALK128875@talks.cam.ac.uk
CONTACT:Anne Herrmann
DESCRIPTION:If I asked you to give me an instance of collective motion in 
 the natural world\, namely the phenomenon of the spontaneous emergence of 
 ordered movement in a large group of organisms\, your response would fall 
 into one of two categories. Either\, your example would exhibit a clear un
 idirectionality in the velocity of the organisms (eg migratory bird flocks
 \, schooling of fish or collective cell migration) or it does not (Swirlin
 g behaviour eg bacteria or the formation of circular milling structures eg
  fish shoals). I will present a model organism\, the plant-animal worm Sym
 sagittifera roscoffensis\, that exhibits a myriad of collective behaviour 
 from both categories. I will focus on three particular collective behaviou
 rs exhibited by the worms\, utilising a combination of theory\, numerical 
 simulations and experiments (both in the lab and in the field in Guernsey)
  in order to address both how do these structures emerge but also why\, de
 monstrating that collective motion is an integral part of all aspects of d
 aily life for the worms.\n
LOCATION:MR11\, Centre for Mathematical Sciences\, Wilberforce Road\, Camb
 ridge
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