News:

Check this page regularly (don't forget to RELOAD) for announcements,
and links to on-line course-materials and to related sites.

Apr 20: Sections 4.7 (new numbering) on Levi-Civita connection and parallel transport pages138-147.pdf
will be discussed in class tomorrow. Hard-copies will be provided.
Due to a LaTeX problem equation numbers are missing. Please help!

Sections 4.5 and 4.6 (new order) on Gauss and Riemann curvature pages119-137.pdf have no substantial changes.

Section 4.4 on geodesics and Christoffel symbols pages107-118.pdf basically unchanged (unfinished).

Some reorganization and renumbering in sections 4.1 thru 4.3 pages93-106.pdf (but no new math).

Just a few minor corrections in sections 3.14 and 3.15 (formerly 3.13 and 3.14) pages79-92.pdf.

Feb 23: Pages 37 - 59 of the class-notes have been published (mainly cosmetic changes, and a few addenda).

Feb 22: Exotic spheres in Bull. AMS

Jan 28: Fun article When is a Periodic Function the Curvature of a Closed Plane Curve? by J. Arroyo, O.J. Garay, and J.J.Mencia, American Mathematical Monthly, 115 no 5, May 2008 , pp. 405-414.

Jan 27: The Poincare Dodecahedral Space and the Mystery of the Missing Fluctuations (nice example for more complicated quotients, "just like a Klein bottle?")

Jan 19: Working on the class' WWW-site.

Fall 2008: temporary home-page w/ link to flyer.