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The Gelfand problem for the Infinity Laplacian

Fernando Charro, Byungjae Son, Peiyong Wang

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Source: Crossref

Published: Jan 1, 2022

DOI: 10.3934/mine.2023022

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Source abstract

<abstract><p>We study the asymptotic behavior as p→∞ p\to\infty of the Gelfand problem</p> <p><disp-formula> <label/> <tex-math id="FE1"> \begin{document}$ \begin{equation*} \left\{ \begin{aligned} -&\Delta_{p} u = \lambda\,e^{u}&& \text{in}\ \Omega\subset \mathbb{R}^n\\ &u = 0 && \text{on}\ \partial\Omega. \end{aligned} \right. \end{equation*} $\end{document} </tex-math></disp-formula></p> <p>Under an appropriate rescaling on u u and λ \lambda , we prove uniform convergence of solutions of the Gelfand problem to solutions of</p> <p><disp-formula> <label/> <tex-math id="FE2"> \begin{document}{amp;min⁡{∣∇u∣−Λ eu,−Δ∞u}=0amp;amp;in Ω,amp;u=0 amp;amp;on ∂Ω. \left\{ \begin{aligned} &\min\left\{|\nabla{}u|-\Lambda\,e^{u}, -\Delta_{\infty}u\right\} = 0&& \text{in}\ \Omega,\\ &u = 0\ &&\text{on}\ \partial\Omega. \end{aligned} \right. \end{document} </tex-math></disp-formula></p> <p>We discuss existence, non-existence, and multiplicity of solutions of the limit problem in terms of Λ \Lambda .</p></abstract>

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