A high-linking algorithm for sign-changing solutions of semilinear elliptic equations
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abstract
A numerical method is presented for finding sign-changing solutions of the semilinear elliptic equation subject to Dirichlet boundary condition: -w = f(x,w) in , w = 0 on , where RN is a bounded domain with regular boundary . The operator - can be replaced by a more general second-order uniformly elliptical operator in divergence form. Several numerical examples are presented to illustrate the high-linking algorithm.