Nontrivial solution of a semilinear schrödinger equation
- 1 January 1996
- journal article
- research article
- Published by Taylor & Francis Ltd in Communications in Partial Differential Equations
- Vol. 21 (9), 1431-1449
- https://doi.org/10.1080/03605309608821233
Abstract
This paper deals with strongly indefinite functionals whose gradients are Fredholm operators of index 0 and map weakly convergent sequences to weakly convergent sequences. We show how these results apply to a ZN—invariant semilinear Schrödinger equation on RN.Keywords
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