Singular perturbation analysis of difference equations in classical form -- Modelling and analysis of singularly perturbed difference equations in state space form -- Three-time-scale difference equations with application to open-loop optimal control problem -- Singularly perturbed nonlinear difference equations and closed-loop discrete optimal control problem

1. Mathematics
2. System theory
3. Calculus of variations
4. Mathematics
5. Systems Theory
6. Control
7. Calculus of Variations and Optimal Control; Optimization