Abstract
We are looking for infinitely many weak solutions for a semilinear elliptic equation with indefinite nonlinearity. The presence of an $L^2$ function perturbs the symmetry of the problem. The result is obtained using the approach introduced by Rabinowitz for positive nonlinearities.
Citation
Paola Magrone. Silvia Mataloni. "Multiple solutions for perturbed indefinite semilinear elliptic equations." Adv. Differential Equations 8 (9) 1107 - 1124, 2003. https://doi.org/10.57262/ade/1355926581
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