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SUMMARY:Detection of high codimensional bifurcations in variational PDEs -
  Christian Offen (Massey University)
DTSTART:20190717T100000Z
DTEND:20190717T110000Z
UID:TALK127600@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:<span>  We derive bifurcation test equations for A-series sing
 ularities of nonlinear functionals and\, based on these equations\, we pro
 pose a numerical method for detecting high codimensional bifurcations in p
 arameter-dependent PDEs such as parameter-dependent semilinear Poisson equ
 ations. As an example\, we consider a Bratu-type problem and show how high
  codimensional bifurcations such as the swallowtail bifurcation can be fou
 nd numerically. <br></span><br>Lisa Maria Kreusser\, Robert I McLachlan\, 
 Christian Offen <br><br><br><br><br><br>
LOCATION:Seminar Room 1\, Newton Institute
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