We will meet in 508 Math at 6:00 PM and the talk takes place at 6:30 PM in 507 Math. The duration of the talk will be 90 minutes, with a 10 minute break after the first 45 minutes.
| Jun 6 **Wednesday** | 
				Yifei Zhao Columbia Undergrad  | 
			Categorical introduction to differential geometry | 
| 
				Jun 20 **Wednesday**  | 
			
				John Yu Columbia Undergrad  | 
			Introduction to modules | 
| Jun 27 **Wednesday** | 
				Yifei Zhao Columbia Undergrad  | 
			Differential Geometry (continued) and singular homology | 
| Jul 11 **Wednesday** | 
				John Yu Columbia Undergrad  | 
			Derived Functors and Flatness | 
| Jul 18 **Wednesday** | 
				Yifei Zhao Columbia Undergrad  | 
			The de Rham theorem and the Poincaré duality theorem |