Abstract
In this paper, we deal with issues related to global multiplicity of \(W^{1,p}_{\mathrm {loc}}(\Omega )\)-solutions for the very-singular and non-local \(\mu \)-problem
where \(\Omega \subset {\mathbb {R}}^N \) is a smooth bounded domain, \(\delta >0\), \(q>0\), \(0 < \beta \le p-1\) and \(g{:}\,[0,\infty ) \rightarrow [0,\infty )\) is a continuous function that achieves critical values for the class of non-local problems (i.e., the level zero if \(\beta < p-1\) and \(1/\lambda _1\) if \(\beta = p-1\), where \(\lambda _1\) stands for the principal eigenvalue of the p-Laplacian in \(\Omega \) under homogeneous Dirichlet boundary conditions). To overcome the difficulties arising from the geometry of g and the presence of very-singular term combined with a \((p-1)\)-sublinear/asymptotically linear ones, we take advantage of a comparison principle for sub-supersolutions in \(W^{1,p}_{\mathrm {loc}}(\Omega )\)-sense proved in Santos and Santos (Z Angew Math Phys 69:Art. 145, 2018), together with sub-supersolutions techniques and bifurcation theory.
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Carlos Alberto Santos acknowledges the support of CNPq/Brazil Proc. No. 311562/2020-5.
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Cintra, W., Santos, C.A. & Santos, L. Global multiplicity for very-singular elliptic problems with vanishing non-local terms. Z. Angew. Math. Phys. 72, 137 (2021). https://doi.org/10.1007/s00033-021-01573-z
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DOI: https://doi.org/10.1007/s00033-021-01573-z