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arXiv 2302.02698math.AP
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有界区域上具有次临界指数的分数阶Choquard问题的多解性

Multiple solutions for a fractional Choquard problem with slightly subcritical exponents on bounded domains

Marco G. Ghimenti, Min Liu, Zhongwei Tang

摘要:

研究了有界区域上具有次临界指数的分式Choquard问题。当卷积型非线性项的指数趋于Hardy-Littlewood-Sobolev不等式意义下的分数阶临界指数时,利用Lusternik-Schnirelmann范畴和非局部整体紧性得到了多个正解的存在性.此外,我们还证明了区域的拓扑给出了正解个数的下界。

英文摘要:

This paper is devoted to study a fractional Choquard problem with slightly subcritical exponents on bounded domains. When the exponent of the convolution type nonlinearity tends to the fractional critical one in the sense of Hardy-Littlewood-Sobolev inequality, we obtain the existence of multiple positive solutions via Lusternik-Schnirelmann category and nonlocal global compactness. Moreover, we prove that the topology of the domain furnishes a lower bound for the number of positive solutions.

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