Abstract
In this paper we deal with a singular elliptic problem involving a nonlinearity which is indefinite in sign. We prove the existence of two non negative solutions, one of them being positive. The approach relies on suitable truncation methods and variational arguments.
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Anello, G., Faraci, F. Two solutions for a singular elliptic problem indefinite in sign. Nonlinear Differ. Equ. Appl. 22, 1429–1443 (2015). https://doi.org/10.1007/s00030-015-0329-y
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DOI: https://doi.org/10.1007/s00030-015-0329-y