First-order functional difference equations with nonlinear boundary value problems

  • Authors:
  • Tadeusz Jankowski

  • Affiliations:
  • Gdansk University of Technology, Department of Differential Equations, 11/12 G.Narutowicz Street, 80-952 Gdańsk, Poland

  • Venue:
  • Computers & Mathematics with Applications
  • Year:
  • 2010

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Abstract

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.