Day-to-day notes will be posted here. Get in the habit of checking it
fairly often...
Office hours will be Wednesdays and Thursdays, 2-3, in Weber
205B.
For HW2#4 (HPS 1.20), you will need the following
Fact A number a is a unit mod n if and only
if gcd(a,n)=1.
(We will prove this on September 5.)
Midterm on Wednesday, October 8, in class. We will be covering
material up through the Chineser remainder theorem, stopping short
of RSA. Roughly, this corresponds to the first two chapters in the
textbook.
You may redo two problems from midterm,
and submit them in class on Monday, October 20.