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Computation of Morse decompositions for semilinear elliptic PDEs
Authors:Michael W Smiley  Changbum Chun
Abstract:A numerical method for computing all solutions of an elliptic boundary value problem Au + gu, λ] = 0 and their Morse indices as steady‐states of the parabolic problem ut + Au + gu, λ] = 0 is presented. Morse decompositions are also determined. The method uses a finite element approach that is based on the method of alternative problems. Error estimates for the finite element approximations are verified and examples are given. © John Wiley & Sons, Inc. Numer Methods Partial Differential Eq 17: 290–312, 2001
Keywords:bifurcation function  gradient system  global attractor  Morse index  finite element method
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