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2009 EXPLICIT NECESSARY AND SUFFICIENT CONDITIONS FOR THE EXISTENCE OF NONNEGATIVE SOLUTIONS OF A p-LAPLACIAN BLOW-UP PROBLEM
Pei-Yu Huang, Ming-Ting Shieh, Shin-Hwa Wang
Taiwanese J. Math. 13(3): 1077-1093 (2009). DOI: 10.11650/twjm/1500405461
Abstract

We establish explicit necessary and sufficient conditions for the existence of nonnegative solutions of the $p$-Laplacian boundary blow-up problem \begin{equation*} \left\{ \begin{array}{l} \left( \varphi _{p}(u^{\prime }(x))\right) ^{\prime }=\lambda f(u(x)), \, 0 \lt x \lt 1, \\ \lim\limits_{x\rightarrow 0^{+}}u(x)=\infty =\lim\limits_{x\rightarrow 1^{-}}u(x), \end{array} \right. \end{equation*} where $p>1$, $\varphi _{p}\left( y\right) =\left\vert y\right\vert ^{p-2}y$ and $\left( \varphi _{p}(u^{\prime })\right) ^{\prime }$ is the one-dimensional $p$-Laplacian, $\lambda $ is a positive bifurcation parameter and $f$ is a locally Lipschitz continuous function on $[0,\infty)$. The gap is extremely small between the explicit necessary condition and the explicit sufficient condition for the existence of nonnegative solutions. Our results improve and extend some main results of Anuradha, Brown and Shivaji [2] and of Wang [30] from $p=2$ to any $p\gt 1$.

Copyright © 2009 The Mathematical Society of the Republic of China
Pei-Yu Huang, Ming-Ting Shieh, and Shin-Hwa Wang "EXPLICIT NECESSARY AND SUFFICIENT CONDITIONS FOR THE EXISTENCE OF NONNEGATIVE SOLUTIONS OF A p-LAPLACIAN BLOW-UP PROBLEM," Taiwanese Journal of Mathematics 13(3), 1077-1093, (2009). https://doi.org/10.11650/twjm/1500405461
Published: 2009
Vol.13 • No. 3 • 2009
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