Abstract
Using Harnack’s inequality and a scaling argument we study Liouville-type theorems and the asymptotic behaviour of positive solutions near an isolated singular point \(\zeta \in \partial \Omega \cup \{\infty \}\) for the quasilinear elliptic equation
where \(\Omega \) is a domain in \(\mathbb {R}^d\), \(d\ge 2\), \(1<p<d\), and \(A=(a_{ij})\in L_{\textrm{loc}}^{\infty }(\Omega ; \mathbb {R}^{d\times d})\) is a symmetric and locally uniformly positive definite matrix. It is assumed that the potential V belongs to a certain Wolff class and has a generalized Fuchsian-type singularity at an isolated point \(\zeta \in \partial \Omega \cup \{\infty \}\).
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Acknowledgements
The authors wish to thank the referee for his careful reading and valuable remarks. The authors acknowledge the support of the Israel Science Foundation (Grant 637/19) founded by the Israel Academy of Sciences and Humanities.
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Giri, R.K., Pinchover, Y. Positive Solutions of Quasilinear Elliptic Equations with Fuchsian Potentials in Wolff Class. Milan J. Math. 91, 59–96 (2023). https://doi.org/10.1007/s00032-023-00377-2
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DOI: https://doi.org/10.1007/s00032-023-00377-2
Keywords
- Fuchsian singularity
- Morrey spaces
- Kato class
- Wolff class
- Liouville theorem
- Quasilinear elliptic equation
- (p, A)-Laplacian