Math 432, Old Announcements

• For problem 3.67 (due March 28) you should assume that R is a field.

• The midterm is scheduled for Friday, March 7, in class. It will cover through section 2.6 in the text. You may bring to the exam one 8.5" by 11" piece of paper with definitions, etc. written on it.

• In particular, Prof. Billera's office hours changed, effective Wednesday, February 6. See below for new hours.

• Solutions to the second assignment are now available. Note that there is a chance to partially redeem your performance by submittingcorrections (not just copies of the solutions given). See Mingzhong Cai for what is expected.

• For problem 2.23 (due Feb 1), the prime on sigma is not meant to denote inverse, and the hat on j indicates that the element j is not in the set X.

• The first homework assignment is due on Friday, January 25. See the discussion of homework below for further information.