28/4 I finished section 5.5 ¡­

28/4 I finished section 5.5 and Theorem 6.1.3, Then I talked about cochain maps and cochain homotopies, and I started on section 6.3 and proved Lemma 6.3.1. 5/5 I finished section 6.3 and I also lectured 6.4. Last Friday (12/5) I calculated the de Rham cohomology of the spheres and tori (6,5) and finished with lecturing 6.7. This will end the syllabus. (You will find an updated revised version of the syllabus on the main homepage ) Next Friday (19/5) I will do problem 6.4, 6.5 and start on the exam MA 252 4/12 2002. You will find the text for this exam

here