Daily Schedule

The following is a tentative schedule for the course. Please check back regularly for updates as the term progresses.

Day Date Brief Description
1 13 Sep (M) The integers; divisors and multiplies
2 15 Sep (W) GCD and Euclidean algorithm
3 17 Sep (F) Consequences of the Euclidean algorithm; Fundamental Theorem of Arithmetic
4 20 Sep (M) Primes
5 22 Sep (W) Perfect numbers and sum-of-divisors theorem
6 24 Sep (F) Residues and congruences
7 27 Sep (M) Units; Fermat's little theorem
8 29 Sep (W) Euler's totient function; Chinese Remainder theorem
9 2 Oct (F) More CRT; RSA cryptography
10 4 Oct (M) Primality testing
11 6 Oct (W) Order and primitive roots
12 8 Oct (F) Exam 1
13 11 Oct (M) Primitive roots mod p
14 13 Oct (W) Primitive roots mod n
15 15 Oct (F) Quadratic residues
16 18 Oct (M) Quadratic reciprocity and applications
17 20 Oct (W) Proof of quadratic reciprocity; Generalized quadratic reciprocity
18 22 Oct (F) Which numbers are sums of two squares?, I
19 25 Oct (M) More sums of squares; Pythagorean triples and the unit circle
20 27 Oct (W) Gaussian integers, I
21 29 Oct (F) Exam 2
22 1 Nov (M) Gaussian integers, II
23 3 Nov (W) Gaussian integers, III
24 5 Nov (F) Pell's equation and diophantine approximation, I
25 8 Nov (M) Pell's equation and diophantine approximation, II; Continued Fractions, I
26 10 Nov (W) Continued fractions, II
27 12 Nov (F) Arithmetic Functions, I
28 15 Nov (M) Arithmetic Functions, II
TBD Final Exam