Nonlinear Analysis: Theory, Methods & Applications
Applied Mathematics and Computation
Remarks on periodic boundary value problems for functional differential equations
Journal of Computational and Applied Mathematics
Periodic boundary value problems for delay differential equations with impulses
Journal of Computational and Applied Mathematics
Periodic boundary value problem for the first order impulsive functional differential equations
Journal of Computational and Applied Mathematics
Periodic boundary value problem for first-order impulsive functional differential equations
Computers & Mathematics with Applications
Boundary value problems for a class of impulsive functional equations
Computers & Mathematics with Applications
Journal of Computational and Applied Mathematics
Boundary value problems involving upper and lower solutions in reverse order
Journal of Computational and Applied Mathematics
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This paper investigates extremal solutions of the boundary value problem for impulsive functional integro-differential equations with nonlinear boundary conditions and deviating arguments. In the presence of a lower solution u and an upper solution v with u=v, existence of extremal solutions is proved by establishing a new comparison principle and using the monotone iterative technique.