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Non-well-ordered lower and upper solutions for semilinear systems of PDEs
https://doi.org/10.1142/S0219199721500802Cited by:1 (Source: Crossref)
Abstract
We prove existence results for systems of boundary value problems involving elliptic second-order differential operators. The assumptions involve lower and upper solutions, which may be either well-ordered, or not at all. The results are stated in an abstract framework, and can be translated also for systems of parabolic type.
Keywords:
AMSC: 35J57, 35J60, 35K50, 35K55
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