We provide new results on the existence, nonexistence, and multiplicity of non- negative radial solutions for semilinear elliptic systems with Neumann bound- ary conditions on an annulus. Our approach is topological and relies on the classical fixed-point index. We present an example to illustrate our theory.
Multiple positive radial solutions for Neumann elliptic systems with gradient dependence
Filomena Cianciaruso;Gennaro Infante
;Paolamaria Pietramala
2018-01-01
Abstract
We provide new results on the existence, nonexistence, and multiplicity of non- negative radial solutions for semilinear elliptic systems with Neumann bound- ary conditions on an annulus. Our approach is topological and relies on the classical fixed-point index. We present an example to illustrate our theory.File in questo prodotto:
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