Schedule for Math 643: Modern Algebra III, Spring 2026 (CRN 64036)

Week One (2026-3-30 and 2026-4-1)

This week, we'll talk about Ext.

Week Two (2026-4-6 and 2026-4-8)

This week, we'll talk about Ext and Tor.

Week Three (2026-4-13 and 2026-4-15)

This week, we'll finish up with Ext and Tor and begin group cohomology.
HW1 is due on 2026-4-13.

Week Four (2026-4-20 and 2026-4-22)

What are G-modules?

Week Five (2026-4-27 and 2026-4-29)

Preliminary group cohomology computations.
HW2 is due on 2026-4-29.

Week Six (2026-5-4 and 2026-5-6)

Induced modules and inflation/restriction.

Week Seven (2026-5-11 and 2026-5-13)

HW3 is due on 2026-5-13.

Week Eight (2026-5-18 and 2026-5-20)

Week Nine (2026-5-25 and 2026-5-27)

Week Ten (2026-6-1 and 2026-6-3)

Finals Week

The Final Exam is scheduled for Wednesday 2026-6-10, at 3:40pm–5:30pm, in our regular classroom. Most likely, this is when the final HW will be due.