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SUMMARY:Yihong Du (University of New England)
DTSTART:20200928T130000Z
DTEND:20200928T140000Z
DTSTAMP:20260423T052711Z
UID:SNPDEA/6
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SNPDEA/6/">L
 ong-time dynamics of the Fisher-KPP equation with nonlocal diffusion and f
 ree boundary</a>\nby Yihong Du (University of New England) as part of "Par
 tial Differential Equations and Applications" Webinar\n\n\nAbstract\nWe co
 nsider the Fisher-KPP equation with free boundary and "nonlocal diffusion"
 . We show the problem is well-posed\, and its long-time dynamical behavior
  is governed by a spreading-vanishing dichotomy. Moreover\, we completely 
 determine the spreading profile\, which may have a finite spreading speed 
 determined by a semi-wave problem\, or have infinite spreading speed (acce
 lerated spreading)\, according to whether a threshold condition on the ker
 nel function is satisfied. Further more\, for some typical kernel function
 s\, we obtain sharp estimates of the spreading speed (whether finite or in
 finite).\n
LOCATION:https://researchseminars.org/talk/SNPDEA/6/
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