# American Institute of Mathematical Sciences

August  2016, 21(6): 1999-2009. doi: 10.3934/dcdsb.2016033

## Positive solutions of perturbed elliptic problems involving Hardy potential and critical Sobolev exponent

 1 Mathematics Science College, Inner Mongolia Normal University, Hohhot 010022, China 2 School of Mathematical Sciences and LPMC, Nankai University, Tianjin 300071

Received  January 2014 Revised  April 2016 Published  June 2016

In this paper, we are concerned with the following nonlinear Schrödinger equations with hardy potential and critical Sobolev exponent $$\label{eq0.1} \left\{\begin{array}{ll} -\Delta u+\lambda a(x)u^q=\mu\frac{u}{|x|^{2}}+|u|^{2^{*}-2}u,& \textrm{in}\, \mathbb{R}^N, \\ u>0, & \textrm{in}\,\mathcal{D}^{1,2}(\mathbb{R}^N), （1） \end{array} \right.$$ where $2^{*}=\frac{2N}{N-2}$ is the critical Sobolev exponent, $0\leq \mu<\overline{\mu}=\frac{(N-2)^2}{4}$, $a(x)\in C(\mathbb{R}^N)$. We first use an abstract perturbation method in critical point theory to obtain the existence of positive solutions of （1） for small value of $|\lambda|$. Secondly, we focus on an anisotropic elliptic equation of the form $$\label{eq0.2} -{\rm div}(B_\lambda(x)\nabla u)+\lambda a(x)u^q=\mu\frac{u}{|x|^{2}}+|u|^{2^*-2}u, x\in\mathbb{R}^N. （2）$$ The same abstract method is used to yield existence result of positive solutions of （2） for small value of $|\lambda|$.
Citation: Jing Zhang, Shiwang Ma. Positive solutions of perturbed elliptic problems involving Hardy potential and critical Sobolev exponent. Discrete & Continuous Dynamical Systems - B, 2016, 21 (6) : 1999-2009. doi: 10.3934/dcdsb.2016033
##### References:
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##### References:
 [1] A. Ambrosetti and Andrea Malchiodi, Perturbation Methods and Semilinear Elliptic Problems on $\mathbbR^N$,, Birkhäuser Verlag, (2006). Google Scholar [2] A. Ambrosetti, J. Garcia Azorero and I. Peral, Perturbation of $\Delta u+u^{\frac{N+2}{N-2}}=0$, The scalar curvature problems in $\mathbbR^N$ and related topics,, J. Funct. Anal, 165 (1999), 117. doi: 10.1006/jfan.1999.3390. Google Scholar [3] A. Ambrosetti and M. Badiale, Variational perturbative methods and bifurcation of bounds states from the the essential spectrum,, Proc. Roy. Soc. Edinburgh A, 128 (1998), 1131. doi: 10.1017/S0308210500027268. Google Scholar [4] A. Ambrosetti, M. Badiale and S. Cingolani, Semiclassical states of nonlinear Schrödinger equations,, Arch. Rational Mech. Anal., 140 (1997), 285. doi: 10.1007/s002050050067. Google Scholar [5] M. Badiale, J. Garcia Azorero and I. Peral, Perturbation results for an anisotropic SchrHodinger equation via a variational form,, NoDEA, 7 (2000), 201. doi: 10.1007/s000300050005. Google Scholar [6] H. Berestycki and P. L. Lions, Nonlinear scalar field equations I - existence of a ground state,, Arch. Rational Mech. Anal., 82 (1983), 313. doi: 10.1007/BF00250555. Google Scholar [7] K. J. Brown and N. Stavrakakis, Global bifurcation results for a semilinear elliptic equation on all $\mathbbR^N$,, Duke Math. J., 85 (1996), 77. doi: 10.1215/S0012-7094-96-08503-8. Google Scholar [8] F. Catrina and Z. Q. Wang, On the Caffarelli-Kohn-Nirenberg inequalities: Sharp constants, existence (and nonexistence), and symmetry of extermal functions,, Comm. Pure Appl. Math., 54 (2001), 229. doi: 10.1002/1097-0312(200102)54:2<229::AID-CPA4>3.0.CO;2-I. Google Scholar [9] S. Cingolani, Positive solutions to perturbed elliptic problems in $\mathbbR^N$ involving critical Sobolev exponent,, Nonlinear Analysis, 48 (2002), 1165. doi: 10.1016/S0362-546X(00)00245-5. Google Scholar [10] O. Rey, The role of the Green's function in a non-linear elliptic equation involving the critical Sobolev exponent,, J. Funct. Anal., 89 (1990), 1. doi: 10.1016/0022-1236(90)90002-3. Google Scholar [11] N. S. Trudinger, On Harnack type inequalities and theri application to quasilinear elliptic equations,, Comm. Pure Appl. Math., 20 (1967), 721. doi: 10.1002/cpa.3160200406. Google Scholar
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