Perturbation Methods and Semilinear Elliptic Problems on R̂n by Antonio Ambrosetti, Andrea Malchiodi.
The aim of this monograph is to discuss several elliptic problems on Rn with two main features: they are variational and perturbative in nature, and standard tools of nonlinear analysis based on compactness arguments cannot be used in general. For these problems, a more specific approach that takes...
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