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arXiv 2010.13151math.AP
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具有不对称反应的分数阶p-Laplacian方程的四种解

Four solutions for fractional p-Laplacian equations with asymmetric reactions

Roberto Livrea, Antonio Iannizzotto

摘要:

我们考虑一个Dirichlet型问题的非线性,非局部方程驱动的退化分数p-Laplacian,其反应结合了一个次线性项依赖于一个正参数和一个非对称扰动(超线性在正无穷大,在负无穷大的线性)。利用临界点理论和莫尔斯理论,证明了当参数足够小时,该问题至少存在四个非平凡解:两个正解,一个负解和一个节点解.作为一种工具,我们证明了Brezis-Oswald型比较结果。

英文摘要:

We consider a Dirichlet type problem for a nonlinear, nonlocal equation driven by the degenerate fractional p-Laplacian, whose reaction combines a sublinear term depending on a positive parameter and an asymmetric perturbation (superlinear at positive infinity, at most linear at negative infinity). By means of critical point theory and Morse theory, we prove that, for small enough values of the parameter, such problem admits at least four nontrivial solutions: two positive, one negative, and one nodal. As a tool, we prove a Brezis-Oswald type comparison result.

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