Daqing Jiang, Lili Zhang and Ravi P. Agarwal
abstract:
In this paper, we employ monotone iterative technique to study the existence of
solutions for first order periodic boundary value problem and periodic solutions
of delay difference equations.
Mathematics Subject Classification: 34K13, 39A11.
Key words and phrases: Periodic boundary value problem, periodic solution, upper and lower solution, existence, monotone iterative technique.