On Wednesday 21.03 , we ¡­

On Wednesday 21.03, we covered differential forms and their differential (=exterior derivative), roughly pp. 207-213 in Spivak. On Friday 23.03, we'll do the MA 252 exam problems: Fall 2002 nr.2 and Fall 2001 nr.1. We shall comment on Ch.IV, problems 1d, 2, 4, and 6. Next Wednesday, 28.03, we shall continue with the Poincare' lemma for the differential.