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SUMMARY:The dynamics of a packed cell tissue - Marina Ferreira (Imperial C
 ollege London)
DTSTART:20170918T133000Z
DTEND:20170918T135000Z
UID:TALK79711@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:<span>   <span>In a   packed tissue neighboring cells exert hi
 gh pressure on each other at all   times. Such mechanical interactions are
  believed to play an important role on   the dynamics of the tissue. Howev
 er\, their contribution to the tissue shape   is not yet fully understood.
  In this talk I will first present a framework to   model this type of sys
 tems based on a geometric representation of individual   cells. The cells 
 interact with each other aiming at minimizing a local   potential energy\,
  subjected to non-overlapping constraints. Mathematically\,   the problem 
 is formulated as a non-convex minimization problem\, which will be   tackl
 ed with the recently proposed damped Arrow-Hurwicz algorithm. I will   the
 n apply this framework to the study of a pseudo-stratified epithelial tiss
 ue.   Finally\, I will present some numerical results showing how the tiss
 ue may be   deformed when simple defects on individual cells are introduce
 d.<br>     </span></span>
LOCATION:Seminar Room 1\, Newton Institute
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