Math 848 Class Notes


Note: These are informal notes which are to be corrected and updatedregularly.

Math 848, Final Examination:

TBA

Prerequisite: Advanced Calculus, Linear Algebra, Analysis, suggested course to be taken in advance or concurrently: Math 828

Suggested additional references: J.Hale, Ordinary Differential Equations, L. Perko, Differential Equations and Dynamical Systems, P. Hartman, Ordinary Differential Equations

1. Introduction
2. Linear Transformations
3. General Properties of Differential Equations
4. Existence Uniqueness Theorem
5. Dependence of Solutions to Differential Equations onParameters
6. Dependence of Solutions to Differential Equations onParameters--Continued
7. Autonomous Differential Equations
8. Limit Sets
9. Two dimensional systems
9a Differential Equations on a Two dimensional Torus
9b Differential Equations on a Two dimensional Torus--alternate
10. Umlaufsatz
10a. Degree of Circle Maps
10b. Alternate version of Umlaufsatz
11. Another index formula
11a. Alternate treatment of Section 11
12. Linear Differential Equations
13. Linear Differential Equations with Constant Coefficients
14. Some examples
15. Jordan Canonical Form
16. The Grobman-Hartman theorems
17. Proofs of the Grobman-Hartman theorems
18. Proofs of the Grobman-Hartman theorems -Continued
19. Hyperbolic Periodic Orbits and Lyapunov Stability
20. Hamiltonian Systems in $R^{2n}$
21. Hamiltonian Systems and Variational Problems

Exercises