MATH 3809, WEEKLY OUTLINE, FALL 2009

# WEEK OF ~ SECTIONS TOPICS
~ Sep 10
~ 2.1 An overview of the course. Divisibility.
1 Sep 14-18 ~ 2.1-2.2 Divisibility. Primes.
2 Sep 21-25 ~ 2.3-2.4 Unique factorization. Elementary factoring methods.
3 Sep 28 - Oct 2 ~ 2.5-2.6 GCD and LCM. Linear Diophantine equations.
4 Oct 5-9 assg. 1 handed-out 3.1-3.3 Congruences. Inverses mod p. Chinese remainder theorem.
5 Oct 12-16 ~ 4.1-4.4 Fermat's theorem. Euler's Phi function. Euler's theorem. Lagrange's theorem.
6 Oct 19-23 midterm 1 5.1 Classical cryptosystems.
7 Oct 26-30 assg. 1 due 5.2-5.3 Public-Key cryptography. The RSA scheme.
8 Nov 2-6
~ 6.1, 6.3-6.4 Pseudoprimes and Carmichel numbers. Pollard's p-1 and rho factorization methods.
9 Nov 9-13 ~ 7.1-7.4 Order. Discrete logarithm. Lucas-Lehmer test.
10 Nov 16-20 midterm 2 8.1, 10.1 ElGamal cryptosystem. Identification schemes.
11 Nov 23-27 ~ 8.2, 9.1 Signature schemes. Quadratic residues.
12 Nov 30 - Dec 4
~ 17.1-17.3 or 12.2 Quadratic reciprocity law or quadratic sieve. Review.
The above weekly outline is subject to change depending on the progress of the course.
Last modified: August 31, 2009