Integral boundary value problems for second-order causal differential equations

Abstract This paper is concerned with second-order causal differential equations with Riemann–Stieltjes integral boundary conditions. To obtain sufficient conditions for the existence of extremal solutions for such problems, a novel comparison principle is first formulated. Next, the existence and u...

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Bibliographic Details
Main Authors: Wenli Wang, Junyan Bao
Format: Article
Language:English
Published: SpringerOpen 2025-03-01
Series:Boundary Value Problems
Subjects:
Online Access:https://doi.org/10.1186/s13661-025-02030-w
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