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Construction of upper and lower solutions for singular discrete initial and boundary value problems via inequality theory
Advances in Difference Equations volume 2005, Article number: 459124 (2005)
Abstract
We present new existence results for singular discrete initial and boundary value problems. In particular our nonlinearity may be singular in its dependent variable and is allowed to change sign.
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Lü, H., O'Regan, D. Construction of upper and lower solutions for singular discrete initial and boundary value problems via inequality theory. Adv Differ Equ 2005, 459124 (2005). https://doi.org/10.1155/ADE.2005.205
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DOI: https://doi.org/10.1155/ADE.2005.205