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November  2013, 12(6): 2721-2737. doi: 10.3934/cpaa.2013.12.2721

## Positive solutions of integral systems involving Bessel potentials

 1 School of Mathematical Sciences, Nanjing Normal University, Nanjing, 210097

Received  October 2012 Revised  December 2012 Published  May 2013

This paper is concerned with integral systems involving the Bessel potentials. Such integral systems are helpful to understand the corresponding PDE systems, such as some static Shrödinger systems with the critical and the supercritical exponents. We use the lifting lemma on regularity to obtain an integrability interval of solutions. Since the Bessel kernel does not have singularity at infinity, we extend the integrability interval to the whole $[1,\infty]$. Next, we use the method of moving planes to prove the radial symmetry for the positive solution of the system. Based on these results, by an iteration we obtain the estimate of the exponential decay of those solutions near infinity. Finally, we discuss the uniqueness of the positive solution of PDE system under some assumption.
Citation: Yutian Lei. Positive solutions of integral systems involving Bessel potentials. Communications on Pure & Applied Analysis, 2013, 12 (6) : 2721-2737. doi: 10.3934/cpaa.2013.12.2721
##### References:
 [1] J. Bourgain, Global solutions of nonlinear Schrödinger equations,, in, 46 (1999).   Google Scholar [2] L. Caffarelli, B. Gidas and J. Spruck, Asymptotic symmetry and local behavior of semilinear elliptic equations with critical Sobolev growth,, Comm. Pure Appl. Math., 42 (1989), 271.   Google Scholar [3] W. Chen and C. Li, A priori estimates for prescribing scalar curvature equations,, Ann. of Math., 145 (1997), 547.   Google Scholar [4] W. Chen and C. Li, An integral system and the Lane-Emden conjecture,, Discrete Contin. Dyn. Syst., 24 (2009), 1167.  doi: 10.3934/dcds.2009.24.1167.  Google Scholar [5] W. Chen, C. Li and B. Ou, Classification of solutions for a system of integral equations,, Comm. Partial Differential Equations, 30 (2005), 59.  doi: 10.1081/PDE-200044445.  Google Scholar [6] W. Chen, C. Li and B. Ou, Classification of solutions for an integral equation,, Comm. Pure Appl. Math., 59 (2006), 330.  doi: 10.1002/cpa.20116.  Google Scholar [7] B. Gidas, W. M. Ni and L. Nirenberg, Symmetry of positive solutions of nonlinear elliptic equations in $R^n$,, in, (1981).   Google Scholar [8] X. Han and G. Lu, Regularity of solutions to an integral equation associated with Bessel potential,, Commun. Pure Appl. Anal., 10 (2011), 1111.  doi: 10.3934/cpaa.2011.10.1111.  Google Scholar [9] F. Hang, On the integral systems related to Hardy-Littlewood-sobolev inequality,, Math. Res. Lett., 14 (2007), 373.   Google Scholar [10] C. Jin and C. Li, Qualitative analysis of some systems of integral equations,, Calc. Var. Partial Differential Equations, 26 (2006), 447.  doi: 10.1007/s00526-006-0013-5.  Google Scholar [11] T. Kanna and M. Lakshmanan, Exact soliton solutions, shape changing collisions, and partially coherent solitons in coupled nonlinear Schrödinger equations,, coherent solitons in coupled nonlinear Schr\, 86 (2001), 5043.   Google Scholar [12] Y. Lei, On the regularity of positive solutions of a class of Choquard type equations,, Math. Z., 273 (2013), 883.  doi: 10.1007/s00209-012-1036-6.  Google Scholar [13] Y. Lei, C. Li and C. Ma, Asymptotic radial symmetry and growth estimates of positive solutions to weighted Hardy-Littlewood-Sobolev system,, Calc. Var. Partial Differential Equations, 45 (2012), 43.  doi: 10.1007/s00526-011-0450-7.  Google Scholar [14] C. Li, Local asymptotic symmetry of singular solutions to nonlinear elliptic equations,, Invent. Math., 123 (1996), 221.   Google Scholar [15] C. Li and L. Ma, Uniqueness of positive bound states to Schrödinger systems with critical exponents,, SIAM J. Math. Anal., 40 (2008), 1049.  doi: 10.1137/080712301.  Google Scholar [16] Y. Li, Remark on some conformally invariant integral equations: the method of moving spheres,, J. Eur. Math. Soc., 6 (2004), 153.   Google Scholar [17] E. Lieb, Sharp constants in the Hardy-Littlewood-Sobolev and related inequalities,, Ann. of Math., 118 (1983), 349.   Google Scholar [18] T. Lin and J. Wei, Spikes in two coupled nonlinear Schrödinger equations,, Ann. Inst. H. Poincare Anal. Non Lineaire, 22 (2005), 403.  doi: 10.1016/j.anihpc.2004.03.004.  Google Scholar [19] L. Ma and D. Chen, Radial symmetry and monotonicity for an integral equation,, J. Math. Anal. Appl., 342 (2008), 943.  doi: 10.1016/j.jmaa.2007.12.064.  Google Scholar [20] L. Ma and D. Chen, Radial symmetry and uniqueness for positive solutions of a Schrödinger type system,, Math. Comput. Modelling, 49 (2009), 379.  doi: 10.1016/j.mcm.2008.06.010.  Google Scholar [21] L. Ma and L. Zhao, Classification of positive solitary solutions of the nonlinear Choquard equation,, Arch. Rational Mech. Anal., 195 (2010), 455.  doi: 10.1007/s00205-008-0208-3.  Google Scholar [22] J. Smoller, "Shock Waves and Reaction-diffusion Equations,", Grundlehren der Mathematischen Wissenschaften, (1983).   Google Scholar [23] E. Stein, "Singular Integrals and Differentiability Properties of Function,", Princetion Math. Series, (1970).   Google Scholar [24] J. Wei and X. Xu, Classification of solutions of higher order conformally invariant equations,, Math. Ann., 313 (1999), 207.   Google Scholar [25] W. Ziemer, "Weakly Differentiable Functions,", Graduate Texts in Math. Vol. 120, (1989).   Google Scholar

show all references

##### References:
 [1] J. Bourgain, Global solutions of nonlinear Schrödinger equations,, in, 46 (1999).   Google Scholar [2] L. Caffarelli, B. Gidas and J. Spruck, Asymptotic symmetry and local behavior of semilinear elliptic equations with critical Sobolev growth,, Comm. Pure Appl. Math., 42 (1989), 271.   Google Scholar [3] W. Chen and C. Li, A priori estimates for prescribing scalar curvature equations,, Ann. of Math., 145 (1997), 547.   Google Scholar [4] W. Chen and C. Li, An integral system and the Lane-Emden conjecture,, Discrete Contin. Dyn. Syst., 24 (2009), 1167.  doi: 10.3934/dcds.2009.24.1167.  Google Scholar [5] W. Chen, C. Li and B. Ou, Classification of solutions for a system of integral equations,, Comm. Partial Differential Equations, 30 (2005), 59.  doi: 10.1081/PDE-200044445.  Google Scholar [6] W. Chen, C. Li and B. Ou, Classification of solutions for an integral equation,, Comm. Pure Appl. Math., 59 (2006), 330.  doi: 10.1002/cpa.20116.  Google Scholar [7] B. Gidas, W. M. Ni and L. Nirenberg, Symmetry of positive solutions of nonlinear elliptic equations in $R^n$,, in, (1981).   Google Scholar [8] X. Han and G. Lu, Regularity of solutions to an integral equation associated with Bessel potential,, Commun. Pure Appl. Anal., 10 (2011), 1111.  doi: 10.3934/cpaa.2011.10.1111.  Google Scholar [9] F. Hang, On the integral systems related to Hardy-Littlewood-sobolev inequality,, Math. Res. Lett., 14 (2007), 373.   Google Scholar [10] C. Jin and C. Li, Qualitative analysis of some systems of integral equations,, Calc. Var. Partial Differential Equations, 26 (2006), 447.  doi: 10.1007/s00526-006-0013-5.  Google Scholar [11] T. Kanna and M. Lakshmanan, Exact soliton solutions, shape changing collisions, and partially coherent solitons in coupled nonlinear Schrödinger equations,, coherent solitons in coupled nonlinear Schr\, 86 (2001), 5043.   Google Scholar [12] Y. Lei, On the regularity of positive solutions of a class of Choquard type equations,, Math. Z., 273 (2013), 883.  doi: 10.1007/s00209-012-1036-6.  Google Scholar [13] Y. Lei, C. Li and C. Ma, Asymptotic radial symmetry and growth estimates of positive solutions to weighted Hardy-Littlewood-Sobolev system,, Calc. Var. Partial Differential Equations, 45 (2012), 43.  doi: 10.1007/s00526-011-0450-7.  Google Scholar [14] C. Li, Local asymptotic symmetry of singular solutions to nonlinear elliptic equations,, Invent. Math., 123 (1996), 221.   Google Scholar [15] C. Li and L. Ma, Uniqueness of positive bound states to Schrödinger systems with critical exponents,, SIAM J. Math. Anal., 40 (2008), 1049.  doi: 10.1137/080712301.  Google Scholar [16] Y. Li, Remark on some conformally invariant integral equations: the method of moving spheres,, J. Eur. Math. Soc., 6 (2004), 153.   Google Scholar [17] E. Lieb, Sharp constants in the Hardy-Littlewood-Sobolev and related inequalities,, Ann. of Math., 118 (1983), 349.   Google Scholar [18] T. Lin and J. Wei, Spikes in two coupled nonlinear Schrödinger equations,, Ann. Inst. H. Poincare Anal. Non Lineaire, 22 (2005), 403.  doi: 10.1016/j.anihpc.2004.03.004.  Google Scholar [19] L. Ma and D. Chen, Radial symmetry and monotonicity for an integral equation,, J. Math. Anal. Appl., 342 (2008), 943.  doi: 10.1016/j.jmaa.2007.12.064.  Google Scholar [20] L. Ma and D. Chen, Radial symmetry and uniqueness for positive solutions of a Schrödinger type system,, Math. Comput. Modelling, 49 (2009), 379.  doi: 10.1016/j.mcm.2008.06.010.  Google Scholar [21] L. Ma and L. Zhao, Classification of positive solitary solutions of the nonlinear Choquard equation,, Arch. Rational Mech. Anal., 195 (2010), 455.  doi: 10.1007/s00205-008-0208-3.  Google Scholar [22] J. Smoller, "Shock Waves and Reaction-diffusion Equations,", Grundlehren der Mathematischen Wissenschaften, (1983).   Google Scholar [23] E. Stein, "Singular Integrals and Differentiability Properties of Function,", Princetion Math. Series, (1970).   Google Scholar [24] J. Wei and X. Xu, Classification of solutions of higher order conformally invariant equations,, Math. Ann., 313 (1999), 207.   Google Scholar [25] W. Ziemer, "Weakly Differentiable Functions,", Graduate Texts in Math. Vol. 120, (1989).   Google Scholar
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