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

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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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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