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A singular periodic Ambrosetti–Prodi problem of Rayleigh equations without coercivity conditions
Communications in Contemporary Mathematics ( IF 1.2 ) Pub Date : 2021-03-19 , DOI: 10.1142/s0219199721500127 Xingchen Yu 1 , Shiping Lu 1
中文翻译:
没有矫顽力条件的 Rayleigh 方程的奇异周期 Ambrosetti-Prodi 问题
更新日期:2021-03-19
Communications in Contemporary Mathematics ( IF 1.2 ) Pub Date : 2021-03-19 , DOI: 10.1142/s0219199721500127 Xingchen Yu 1 , Shiping Lu 1
Affiliation
In this paper, we use the Leray–Schauder degree theory to study the following singular periodic problems: , , where is a continuous function with , function is continuous with an attractive singularity at the origin, and is a constant. We consider the case where the friction term satisfies a local superlinear growth condition but not necessarily of the Nagumo type, and function does not need to satisfy coercivity conditions. An Ambrosetti–Prodi type result is obtained.
中文翻译:
没有矫顽力条件的 Rayleigh 方程的奇异周期 Ambrosetti-Prodi 问题
在本文中,我们使用 Leray-Schauder 度数理论来研究以下奇异周期问题:,, 在哪里是一个连续函数, 功能是连续的,在原点有一个有吸引力的奇点,并且是一个常数。我们考虑摩擦项的情况满足局部超线性生长条件,但不一定是 Nagumo 类型,并且函数不需要满足矫顽力条件。获得了Ambrosetti-Prodi类型的结果。