Abstract
We generalize a result by H. Brezis, Y. Y. Li and I. Shafrir [6] and obtain an Harnack type inequality for solutions of −Δu = |x|2α Ve u in Ω for Ω ⊂ ℝ2 open, α ∈ (−1, 0) and V any Lipschitz continuous function satisfying 0 < a ≤ V ≤ b < ∞ and ‖∇V‖∞ ≤ A.
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Research partially supported by FIRB-IDEAS project “Analysis and beyond”.
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Bartolucci, D. A sup+inf inequality for Liouville type equations with weights. JAMA 117, 29–46 (2012). https://doi.org/10.1007/s11854-012-0013-7
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DOI: https://doi.org/10.1007/s11854-012-0013-7