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  • Research Article
  • Open Access

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

Advances in Difference Equations20052005:459124

https://doi.org/10.1155/ADE.2005.205

  • Received: 25 May 2004
  • Published:

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.

Authors’ Affiliations

(1)
Department of Applied Mathematics, Hohai University, Nanjing, 210098, China
(2)
Department of Mathematics, National University of Ireland, Galway, Ireland

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