| JOINT ANALYSIS SEMINAR | |
| Topic: | Maps with Values into S^1 and Minimal Connections |
| Speaker: | Augusto Ponce |
| Affiliation: | IAS and Princeton University |
| Date: | Thursday, March 31 |
| Time/Room: | 4:00pm - 5:00pm/Fine Hall 214 |
Maps in W^{1,1} from the sphere S^2 into the circle S^1 can have, at most, countably many topological singularities. I will present some techniques which allow us to localize and quantify those "defects". Joint work with H. Brezis and P. Mironescu.