Math 180, Winter 2007

Karl Rubin

TA: Sunil Chetty

Announcements

Grades for the final exam and the course are now posted on EEE. Answers to the final are available, and here is a histogram of the scores on the final:

Here is an announcement of a summer Research Experience for Undergraduates at the University of West Georgia, for any students that might be interested. The application deadline is March 23.

The midterm has been graded, and scores are posted on EEE. The median was 33/50. Here is a histogram of the results:

Important dates

There will be one in-class midterm, on Monday, February 12.

The final exam is on Monday, March 19, 4-6pm.

Grading:

The quizzes will be given in the recitation sections every Thursday beginning January 18, and will be very closely based on the homework problems. The lowest quiz score will be dropped.

Text:

Fundamentals of Number Theory, by William J. LeVeque.

sections from text to be covered (subject to change):

week of Monday Wednesday Friday
January 1 1.2, 1.3
January 8 1.4 1.4, 2.1 2.1, 2.2
January 15 holiday 2.2 2.3, 2.4
January 22 3.1 3.2 3.3
January 29 3.4 4.1 4.2
February 5 4.3 5.1, 5.2 review
February 12 MIDTERM 5.2 5.3
February 19 holiday 5.4,6.1 6.2
February 26 A good reference for the material on continued fractions is Chapter 5 of the book by Stein. Some of it can also be found in §§9.2-9.4 of the text.
March 5 more continued fractions Cryptography: see Chapter 3 of Stein
March 12 cryptography Elliptic curves (Chapter 6 of Stein) Review

Problem sets.

Problem sets are generally due on Tuesdays, at the recitation. Problems are from the text unless otherwise stated. Some solutions, courtesy of Sunil Chetty, are available here.
 
due date 
January 16 §1.4: 9, 11(a-c)
§2.1: 1, 2, 5, 8, 11
§2.2: 1, 6, 9
January 23 §2.1: 4, 9, 10
§2.2: 2, 5, 7
§2.3: 1, 3, 5
§2.4: 2
January 30 §3.1: 1,8,10
§3.2: 2,6,10,14,17
§3.3: 1,8
February 6 §3.4: 1,10,12
§4.1: 2,3,5,6,15
§4.3: 1,8
February 13 (no problem set: midterm)
February 20 §5.1: 2,4,5
§5.2: 1,5,6,8
§5.3: 1,2,6
February 27 §5.4: 1,3
§6.1: 1,3,5,6,9
§6.2: 1,4,7
March 6 Problem set #7
March 13 Problem set #8