Multibump nodal solutions for an indefinite superlinear elliptic problem
arXiv:1407.1185 · doi:10.1016/j.jde.2009.04.018
Abstract
We define some Nehari-type constraints using an orthogonal decomposition of the Sobolev space and prove the existence of multibump nodal solutions for an indefinite superlinear elliptic problem.
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