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Theory and Modern Applications

Construction of upper and lower solutions for singular discrete initial and boundary value problems via inequality theory

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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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Correspondence to Haishen Lü.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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