MAT 521 Number Theory
Fall 2005
Schedule | Suggested Exercises | Course Policies | Contact Information
 
Date Section Topic
Thursday, August 18   1.1   Uniqueness of factorization
    1.2   A general problem
Tuesday, August 23   1.3   The Gaussian integers
    2.1   Rational and Gaussian primes
Thursday, August 25   2.2   Congruences
    2.3   Determination of the Gaussian primes
Tuesday, August 30   2.4   Fermat’s theorem for Gaussian primes
    3.1   The ring of polynomials
Thursday, September 01   3.2   The Eisenstein irreducibility criterion
    3.3   Symmetric polynomials
Tuesday, September 06   4.1   Numbers algebraic over a field
Thursday, September 08   4.2   Extensions of a field
Tuesday, September 13     Class Cancelled
Thursday, September 15  
  Class Cancelled
Tuesday, September 20   4.3   Algebraic and transcendental numbers
    5.1   Bases and finite extensions   Notes
Thursday, September 22   5.2   Properties of finite extensions
Test 1
Tuesday, September 27   5.3   Conjugates and discriminants
    5.4   The cyclotomic field
Thursday, September 29   6.1   Algebraic integers Notes
6.2 The integers in a quadratic field
Tuesday, October 04   6.3   Integral bases
6.4 Examples of integral bases
Thursday, October 06   Fall Vacation    
Tuesday, October 11   7.1   Units and primes
7.2 Units in a quadratic field
Thursday, October 13   7.3   The uniqueness of factorization
Tuesday, October 18   7.4   Ideals in an algebraic number field
Thursday, October 20 8.1 Basic properties of ideals Notes
Tuesday, October 25
  8.1
 
Thursday, October 27   8.2   The classical proof of the unique factorization theorem
Tuesday, November 01 8.2

9.1 The highest common factor of two ideals
Thursday, November 03   9.2   Unique factorization of integers
9.3 The problem of ramification
Tuesday, November 08   9.4   Congruences and norms
9.5 Further properties of norms
    Test 2  
Thursday, November 10   10.1   Ideal classes

  10.2   Class numbers
Tuesday, November 15   11.1   Pythagorean triples
Thursday, November 17   11.2   The Fermat conjecture
Tuesday, November 22   11.3   Units in cyclotomic fields
Thursday, November 24   Thanksgiving    
Tuesday, November 29   11.4   Kummer’s theorem
Thursday, December 01   Review    

This schedule is subject to change.