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2005 On a Yamabe-type problem on a three-dimensional thin annulus
M. Ben Ayed, K. El Mehdi, M. Hammami, M. Ould Ahmedou
Adv. Differential Equations 10(7): 813-840 (2005). DOI: 10.57262/ade/1355867832


We consider the problem: $ (P_{\varepsilon}):\, -\Delta u_\varepsilon = u_\varepsilon^{5},\, u_\varepsilon >0 $ in $ A_\varepsilon; \, u_\varepsilon= 0\,\, \mbox{ on } \partial A_\varepsilon $, where $\{A_{\varepsilon } \subset {\mathbb{R}}^3 : {\varepsilon } >0\}$ is a family of bounded annulus-shaped domains such that $A_{\varepsilon }$ becomes ``thin'' as ${\varepsilon }\to 0$. We show that, for any given constant $C>0,$ there exists $\varepsilon_0>0$ such that for any $\varepsilon < \varepsilon_0$, the problem $(P_{\varepsilon })$ has no solution $u_\varepsilon,$ whose energy, $\int_{A_\varepsilon}|\nabla u_\varepsilon |^2,$ is less than C. Such a result extends to dimension three a result previously known in higher dimensions. Although the strategy to prove this result is the same as in higher dimensions, we need a more careful and delicate blow up analysis of asymptotic profiles of solutions $u_{\varepsilon }$ when ${\varepsilon }\to 0$.


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M. Ben Ayed. K. El Mehdi. M. Hammami. M. Ould Ahmedou. "On a Yamabe-type problem on a three-dimensional thin annulus." Adv. Differential Equations 10 (7) 813 - 840, 2005.


Published: 2005
First available in Project Euclid: 18 December 2012

zbMATH: 1161.35380
MathSciNet: MR2152353
Digital Object Identifier: 10.57262/ade/1355867832

Primary: 35J60
Secondary: 35J25 , 53C21

Rights: Copyright © 2005 Khayyam Publishing, Inc.


Vol.10 • No. 7 • 2005
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