chapter 1 Bifurcation and Chaos in Discrete Models -- chapter 2 Tools for Ordinary Differential Equations Analysis -- chapter 3 Normal Forms and Bifurcations of Vector Fields -- chapter 4 Feedback Equivalence of Nonlinear Control Systems: A Survey on Formal Approach / chapter 5 Singular Perturbation and Chaos / chapter 6 Control of Chaotic and Hyperchaotic Systems / chapter 7 Polytopic Observers for Synchronization of Chaotic Maps / chapter 8 Normal Forms of Nonlinear Control Systems / chapter 9 Observability Bifurcations: Application to Cryptography / chapter 10 Nonlinear Observer Design for Smooth Systems / chapter 11 Chaos and Communications / chapter 12 Chaos, Optical Systems, and Application to Cryptography / chapter 13 Indirect Field-Oriented Control of Induction Motors: A Hopf Bifurcation Analysis / chapter 14 Implementation of the Chua’s Circuit and its Application in the Data Transmission / chapter 15 Synchronization of Discrete-Time Chaotic Systems for Secured Data Transmission