Nonlinear Analysis: Theory, Methods & Applications
Existence of solutions of boundary value problems for differential equations with delayed arguments
Journal of Computational and Applied Mathematics
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The monotone iterative method is used to show that corresponding difference problems with boundary conditions have extremal solutions in the region bounded by lower and upper solutions. It is important to indicate that the right-hand sides of problems depend on r delayed arguments. Difference inequalities of such types are also discussed. Two examples satisfying the assumptions are presented.