Math V3020: Number Theory and Cryptography

Instructor: David Hansen

Office: 516 Math

Office Hours: M 4-6, T 2:30-4

Email: lastname @ math.columbia.edu

Syllabus

Practice Midterm 1

Practice Midterm 1 with solutions

Practice Midterm 2

Practice Midterm 2 with solutions

Practice problems for final, batch 1

Practice problems for final, batch 1, with solutions

 

 

Homework

Homework 1 (due 1/24)

Homework 2 (due 1/31)

Homework 3 (due 2/7)

Homework 4 (due 2/14)

Homework 5 (due 2/28)

Homework 6 (due 3/21)

Homework 7 (due 4/23)

 

Other resources

Some useful Wikipedia articles:
Proof by contradiction
Mathematical induction
Modular arithmetic

Back to Dave's page.