Dates are due dates. Sections §s.n mean readings. Boldface problem numbers (s.n) are to be handed in. Problem numbers (s.n) are particularly (but not exclusively) to work for yourself.
Warning: This list is not up to date. See the emails for full assignments.
 F 8/23: §§1.11.2.
 M 8/26: Reread §§1.11.2 carefully. Start §1.3.



 Late Sept.: Finish reading Lecture 2.
 W 10/2: §3.1.
 F 10/4: §3.2.

 F 1/24: Solve the characteristic polynomial of the hollow Catalan arrangement, C_{n}° = A[{±1}K_{n}].
Optional: Solve that of the extended Catalan arrangement, C_{n,k} = A[{0,±1,...,±k}K_{n}].
 (M 1/27, i.e.) W 1/29: §§5.15.2.
 M 2/3: §§5.4, 5.7, and 5.3.
 W 2/5: §§5.3 and parts of 5.5 that are about arrangements (starting at the bottom of page 461 in the book, page 77 in the separate file), not interval orders. You may omit the proof of Theorem 5.19.
 M 2/10: §5.6 (but I will omit this from the lectures).