Boundary value problems for second-order causal differential equations

Abstract This paper focuses on second-order differential equations involving causal operators with nonlinear two-point boundary conditions. By applying the monotone iterative technique in the presence of upper and lower solutions, with a new comparison theorem, we obtain the existence of extremal so...

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Bibliographic Details
Main Authors: Wenli Wang, Peiguang Wang
Format: Article
Language:English
Published: SpringerOpen 2022-08-01
Series:Boundary Value Problems
Subjects:
Online Access:https://doi.org/10.1186/s13661-022-01642-w