期刊
AIMS MATHEMATICS
卷 6, 期 5, 页码 5292-5315出版社
AMER INST MATHEMATICAL SCIENCES-AIMS
DOI: 10.3934/math.2021313
关键词
parabolic equation with nonlocal diffusion; sub-supersolution method; existence; uniqueness; long-time behavior
资金
- National Natural Science Foundation of China [62073203]
- Fund of Natural Science of Shandong Province [ZR2018MA022]
This paper focuses on the existence, uniqueness, and long-time behavior of solutions for a parabolic equation with nonlocal diffusion, even in cases where the reaction term is not Lipschitz-continuous at 0 and grows superlinearly or exponentially at + infinity. Special sub-supersolution pairs are provided and the method of sub-supersolution is established. Using this method, the existence, uniqueness, and long-time behavior of positive solutions are proven, with numerical experiments presented for validation.
In this paper, we are concerned with the existence, uniqueness and long-time behavior of the solutions for a parabolic equation with nonlocal diffusion even if the reaction term is not Lipschitz-continuous at 0 and grows superlinearly or exponentially at + infinity. First, we give a special sub-supersolution pair for some parabolic equations with nonlocal di ffusion and establish the method of sub-supersolution. Second, using the sub-supersolution method, we prove the existence, uniqueness and long-time behavior of positive solutions. Finally, some one-dimensional numerical experiments are presented.
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