| 1 | The Differential Operator |  | 
| 2 | Complex Analysis | Problem set 1 due | 
| 3 | First Order Partial Differential Equations |  | 
| 4 | Second Order Partial Differential Equations | Problem set 2 due | 
| 5 | Separation of Variables |  | 
| 6 | Singular Points of Ordinary Differential Equations | Problem set 3 due | 
| 7 | Regular Singular Points of Ordinary Differential Equations |  | 
| 8 | Irregular Singular Points of Ordinary Differential Equations | Problem set 4 due | 
| 9-10 | The WKB Approximation | Problem set 5 due | 
 | Exam 1 |  | 
| 11 | Turning Point |  | 
| 12 | The Laplace Method | Problem set 6 due | 
| 13 | Method of Stationary Phase |  | 
| 14-15 | Asymptotic Expansions of Integrals | Problem set 7 due | 
| 16-17 | Boundary Layers and Singular Perturbation | Problem set 8 due | 
| 18 | Interior Turning Points |  | 
 | Exam 2 |  |