Abstract
Let \(\Omega \subset \mathbb R^N\) be a bounded domain with smooth boundary. Existence of a positive solution to the quasilinear equation
with zero Dirichlet boundary condition is proved. Here \(\theta >0\) and a(x) is a measurable function satisfying \(0<\alpha \le a(x)\le \beta \). The equation involves singularity when \(0<\theta \le 1\). As a main novelty with respect to corresponding results in the literature, we only assume \(\theta +2<p<\frac{2^*}{2}(\theta +2)\). The proof relies on a perturbation method and a critical point theory for E-differentiable functionals.
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Acknowledgments
Y. Jing is supported by National Natural Science Foundation of China (No. 11271265). Z. Liu is supported by National Natural Science Foundation of China (No. 11271265, No. 11331010) and Beijing Center for Mathematics and Information Interdisciplinary Sciences. Z.-Q. Wang is supported by National Natural Science Foundation of China (No. 11271201), Beijing Center for Mathematics and Information Interdisciplinary Sciences, and a Simons collaboration grant.
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Dedicated to Professor Paul H. Rabinowitz with admiration and friendship.
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Jing, Y., Liu, Z. & Wang, ZQ. Existence results for a singular quasilinear elliptic equation. J. Fixed Point Theory Appl. 19, 67–84 (2017). https://doi.org/10.1007/s11784-016-0341-9
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DOI: https://doi.org/10.1007/s11784-016-0341-9
Keywords
- Singular quasilinear elliptic equation
- Existence of positive solution
- Variational method
- Perturbation argument