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Positive radial solutions for elliptic equations with sign-changing nonlinear terms in an annulus
Complex Variables and Elliptic Equations ( IF 0.9 ) Pub Date : 2021-01-14 Yonghong Ding, Yongxiang Li
中文翻译:
环上具有符号变化非线性项的椭圆型方程的正径向解
更新日期:2021-01-14
Complex Variables and Elliptic Equations ( IF 0.9 ) Pub Date : 2021-01-14 Yonghong Ding, Yongxiang Li
This paper deals with the existence and nonexistence of positive radial solutions of the elliptic equation where and , whose sign may change. We present new eigenvalue criteria for the existence and nonexistence to this problem. The discussion is based on the fixed point index theory in cones.
中文翻译:
环上具有符号变化非线性项的椭圆型方程的正径向解
本文讨论了椭圆方程正径向解的存在性和不存在性 哪里 和 ,其符号可能会改变。我们为这个问题的存在和不存在提出了新的特征值准则。讨论基于圆锥体上的不动点索引理论。