Existence of Positive Ground State Solutions for Choquard Systems

Existence of Positive Ground State Solutions for Choquard Systems
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Choquard 系统正基态解的存在性

DOI:
10.1515/ans-2020-2099
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发表时间:
2020-07
影响因子:
1.8
通讯作者:
Shuai Wei
Shuai Wei
中科院分区:
数学3区
文献类型:
--
作者:
Deng Yinbin;Jin Qingfei;Shuai Wei

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摘要研究Choquard系统正基态解的存在性。在自治的情况下,我们证明了至少有一个正的基态解的存在性的Pohozaev流形方法和降序重排参数。此外,我们还证明了每个正基态解都是径向对称的。在非自治情形下,利用单调性技巧和整体紧性引理得到了正基态解。我们注意到,在非线性Wu{W_{u}}的假设下,基态解的搜索不能归结为对一个限制在Nehari流形上的泛函的临界点的研究.
Abstract We study the existence of positive ground state solution for Choquard systems. In the autonomous case, we prove the existence of at least one positive ground state solution by the Pohozaev manifold method and symmetric-decreasing rearrangement arguments. Moreover, we show that each positive ground state solution is radial symmetric. While, in the nonautonomous case, a positive ground state solution is obtained by using a monotonicity trick and a global compactness lemma. We remark that, under our assumptions of the nonlinearity Wu{W_{u}}, the search of ground state solutions cannot be reduced to the study of critical points of a functional restricted to a Nehari manifold.
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