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May  2013, 12(3): 1237-1241. doi: 10.3934/cpaa.2013.12.1237

On the number of maximum points of least energy solution to a two-dimensional Hénon equation with large exponent

Futoshi Takahashi 1,

1. 

Department of Mathematics, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka, 558-8585

Received  December 2011 Revised  May 2012 Published  September 2012

In this note, we prove that least energy solutions of the two-dimensional Hénon equation \begin{eqnarray*} -\Delta u = |x|^{2\alpha} u^p \quad x \in \Omega, \quad u 0 \quad x \in \Omega, \quad u = 0 \quad x \in \partial \Omega, \end{eqnarray*} where $\Omega$ is a smooth bounded domain in $R^2$ with $0 \in \Omega$, $\alpha \ge 0$ is a constant and $p >1$, have only one global maximum point when $\alpha > e-1$ and the nonlinear exponent $p$ is sufficiently large. This answers positively to a recent conjecture by C. Zhao (preprint, 2011).
Keywords: large exponent, global maximum point, Hénon equation, Morse indices., least energy solution.
Mathematics Subject Classification: Primary: 35B40, 35J20, 35J2.
Citation: Futoshi Takahashi. On the number of maximum points of least energy solution to a two-dimensional Hénon equation with large exponent. Communications on Pure & Applied Analysis, 2013, 12 (3) : 1237-1241. doi: 10.3934/cpaa.2013.12.1237
References:
[1]

Adimurthi and M. Grossi, Asymptotic estimates for a two-dimensional problem with polynomial nonlinearity,, Proc. Amer. Math. Soc., 132 (2003), 1013.   Google Scholar

[2]

C. S. Lin, Uniqueness of least energy solutions to a semilinear elliptic equation in $R^2$,, Manuscripta Math., 84 (1994), 13.   Google Scholar

[3]

K. El Mehdi and M. Grossi, Asymptotic estimates and qualitative properties of an elliptic problem in dimension two,, Advances in Nonlinear Stud., 4 (2004), 15.   Google Scholar

[4]

X. Ren and J. Wei, On a two-dimensional elliptic problem with large exponent in nonlinearity,, Trans. Amer. Math. Soc., 343 (1994), 749.   Google Scholar

[5]

X. Ren and J. Wei, Single-point condensation and least-energy solutions,, Proc. Amer. Math. Soc., 124 (1996), 111.   Google Scholar

[6]

F. Takahashi, Morse indices and the number of maximum points of some solutions to a two-dimensional elliptic problem,, Archiv der Math., 93 (2009), 191.   Google Scholar

[7]

F. Takahashi, Blow up points and the Morse indices of solutions to the Liouville equation in two-dimension,, Advances in Nonlinear Studies, 12 (2012), 115.   Google Scholar

[8]

F. Takahashi, Blow up points and the Morse indices of solutions to the Liouville equation: inhomogeneous case,, submitted., ().   Google Scholar

[9]

C. Zhao, Some results on two-dimensional Hénon equation with large exponent in nonlinearity,, preprint., ().   Google Scholar

show all references

References:
[1]

Adimurthi and M. Grossi, Asymptotic estimates for a two-dimensional problem with polynomial nonlinearity,, Proc. Amer. Math. Soc., 132 (2003), 1013.   Google Scholar

[2]

C. S. Lin, Uniqueness of least energy solutions to a semilinear elliptic equation in $R^2$,, Manuscripta Math., 84 (1994), 13.   Google Scholar

[3]

K. El Mehdi and M. Grossi, Asymptotic estimates and qualitative properties of an elliptic problem in dimension two,, Advances in Nonlinear Stud., 4 (2004), 15.   Google Scholar

[4]

X. Ren and J. Wei, On a two-dimensional elliptic problem with large exponent in nonlinearity,, Trans. Amer. Math. Soc., 343 (1994), 749.   Google Scholar

[5]

X. Ren and J. Wei, Single-point condensation and least-energy solutions,, Proc. Amer. Math. Soc., 124 (1996), 111.   Google Scholar

[6]

F. Takahashi, Morse indices and the number of maximum points of some solutions to a two-dimensional elliptic problem,, Archiv der Math., 93 (2009), 191.   Google Scholar

[7]

F. Takahashi, Blow up points and the Morse indices of solutions to the Liouville equation in two-dimension,, Advances in Nonlinear Studies, 12 (2012), 115.   Google Scholar

[8]

F. Takahashi, Blow up points and the Morse indices of solutions to the Liouville equation: inhomogeneous case,, submitted., ().   Google Scholar

[9]

C. Zhao, Some results on two-dimensional Hénon equation with large exponent in nonlinearity,, preprint., ().   Google Scholar

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