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SUMMARY:Barbara Niethammer (University of Bonn\, Germany)
DTSTART:20220303T163000Z
DTEND:20220303T173000Z
DTSTAMP:20260423T040035Z
UID:SIAM-PDE/18
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SIAM-PDE/18/
 ">An obstacle problem for cell polarization</a>\nby Barbara Niethammer (Un
 iversity of Bonn\, Germany) as part of Seminar In the Analysis and Methods
  of PDE (SIAM PDE)\n\n\nAbstract\nWe investigate a model for cell polariza
 tion under external stimulus where a diffusion equation in the inner cell 
 is coupled to reaction diffusion equations on the cell membrane. In certai
 n scaling limits we rigorously derive  generalized obstacle type problems.
  For these limit systems we prove global stability of steady states and  c
 haracterize the parameter regime for the onset of polarization. (Joint wor
 k with Anna Logioti (Bonn)  Matthias Roeger (TU Dortmund) and Juan Velazqu
 ez (U Bonn)).\n\nFeatured Article: A parabolic free boundary problem arisi
 ng in a model of cell polarization. SIAM J. Math. Anal. 53-1  (2021)\nFeat
 ured Article Authors: A.Logioti\, B. Niethammer\, M. Röger and J. L. Vel
 ázquez\n
LOCATION:https://researchseminars.org/talk/SIAM-PDE/18/
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