Uniqueness of finite total curvatures and the structure of radial solutions for nonlinear elliptic equations
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Abstract:
In this article, we are concerned with the semilinear elliptic equation \[ \Delta u+K(|x|)|u|^{p-1}u=0\quad \textrm {in}\ \mathbf {R}^n\setminus \{\mathbf {0}\},\] where $n>2$, $p>1$, and $K(|x|)>0$ in $\mathbf {R}^n$. The correspondence between the initial values of regularly positive radial solutions of the above equation and the associated finite total curvatures will be derived. In addition, we also conduct the zeros of radial solutions in terms of the initial data under specific conditions on $K$ and $p$. Furthermore, based on the Pohozaev identity and openness for the regions of initial data corresponding to certain types of solutions, we obtain the whole structure of radial solutions depending on various situations.References
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Additional Information
- Jann-Long Chern
- Affiliation: Department of Mathematics, National Central University, Chung-Li 32001, Taiwan
- MR Author ID: 324266
- Email: chern@math.ncu.edu.tw
- Zhi-You Chen
- Affiliation: Department of Mathematics, National Central University, Chung-Li 32001, Taiwan
- Address at time of publication: Department of Mathematics, National Tsing Hua University, Hsin-Chu 30013, Taiwan
- MR Author ID: 869715
- Email: zhiyou@math.ncu.edu.tw
- Yong-Li Tang
- Affiliation: Department of Mathematics, National Central University, Chung-Li 32001, Taiwan
- Email: tangyl@math.ncu.edu.tw
- Received by editor(s): March 19, 2008
- Received by editor(s) in revised form: August 7, 2009
- Published electronically: January 25, 2011
- Additional Notes: The work of the first author was partially supported by the National Science Council of Taiwan
- © Copyright 2011
American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication. - Journal: Trans. Amer. Math. Soc. 363 (2011), 3211-3231
- MSC (2010): Primary 35J60; Secondary 34A12
- DOI: https://doi.org/10.1090/S0002-9947-2011-05192-5
- MathSciNet review: 2775804