CHAPTER 1
Introduction： Differential Equations and Dynamical Systems
1.1 Existence and Uniqueness of Solutions
1.1 The Linear System x = Ax
1.2 Flows and Invariant Subspaces
1.3 The Nonlinear System x = f （x）
1.4 Linear and Nonlinear Maps
1.5 Closed Orbits， Poincare Maps.and Forced Oscillations
1.6 Asymptotic Behavior
1.7 Equivalence Relations and Structural Stability
1.8 Two-Dimensional Flows
1.9 Peixoto's Theorem for Two-Dimensional Flows
CHAPTER 2
An Introduction to Chaos： Four Examples
2.1 Van der Pol's Equation
2.2 Duffing's Equaiion
2.3 The Lorenz Equations
2.4 The Dynamics of a Bouncing Ball
2.5 Conclusions： The Moral of the Tales
CHAPTER 3
Local Bifurcations
3.1 BiFurcation Problems
3.2 Center Manifolds
3.3 Normal Forms
3.4 Codimension One Bifurcations of Equilibria
3.5 Codimension One Bifurcations of Maps and Periodic Orbits
CHAPTER 4
Averaging and Perturbation from a Geometric Viewpoint
4.1 Averaging and Poincare Maps
4.2 Examples of Averaging
4.3 Averaging and Local Bifurcations
4.4 Averaging， Hamikonian Systems， and Global Behavior： Cautionary Notes
4.5 Melnikov's Method： Perturbations of Planar Homoclinic Orbits
4.6 Melnikov's Method： Perturbations of Hamiltonian Systems and Subharmonic Orbits
4.7 Stability or Subharmonic Orbits
4.8 Two Degree of Freedom Hamiltonians and Area Preserving Maps of the Plane
CHAPTER 5
Hyperbolic Sets， Symbolic Dynamics， and Strange Attractors
5.0 Introduction
5.1 The Smale Horseshoe： An Example of a Hyperbolic Limit Set
5.2 Invariant Sets and Hyperbolicity
5.3 Markov Partitions and Symbolic Dynamics
5.4 Strange Auractors and the Stability Dogma
5.5 Structurally Stable Attractors
5.6 One-Dimensional Evidence for Strange Attractors
5.7 The Geometric Lorenz Attractor
5.8 Statistical Properties： Dimension， Entropy， and Liapunov Exponents
CHAPTER 6
Global Bifurcations
6.1 Saddle Connections
