Abstract
We develop a perturbation method for non-even functionals which produces prescribed number of sign-changing solutions. The abstract theory is applied to the perturbed subcritical elliptic equation and the perturbed Brézis–Nirenberg critical exponent problem.
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Communicated by A. Malchiodi.
N. Hirano was supported in part by Yokohama Indus. Soc. and W. Zou was supported by NSFC (10871109) and Yokohama Indus. Soc.
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Hirano, N., Zou, W. A perturbation method for multiple sign-changing solutions. Calc. Var. 37, 87–98 (2010). https://doi.org/10.1007/s00526-009-0253-2
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DOI: https://doi.org/10.1007/s00526-009-0253-2