Explorations in math and programming
David Lowry-Duda

Introduction to Number Theory - Spring 2016

Welcome to the course website for Math 420 An Introduction to Number Theory at Brown University, spring 2016. On this page, you can find links to the current syllabus and any relevant new information or notes about the course.

Basic Course Information

The textbook for the course is A Friendly Introduction to Number Theory by Joseph Silverman, fourth edition. The book is very approachable and you should find it very different when compared to primary and secondary school math texts.

A copy of the syllabus for the course can be found here.

If you have any questions, comments, or concerns, feel free to ask me during or after class, during office hours, or by commenting here or through email.

Additional Notes and Materials

First week note, plus some references on statements made in class.

Second week announcements.

Supplemental Note on the Gaussian Integers.

Supplemental Note on the Gaussian Integers II (About Gaussian Primes and writing $p = a^2 + b^2$).

Student Project Showcase.


Homework #1, Due Thursday 4 February 2016. [Solutions]

Homework #2, Due Thursday 11 February 2016. [Solutions]

Homework #3, Due Thursday 18 February 2016. [Solutions]

Homework #4, Due Thursday 25 February 2016, right before the midterm.

No Homework due on 3 March, as you had a midterm. [Solutions to midterm].

Homework #5, Due Thursday 10 March 2016. [Solutions]

Homework #6, Due Thursday 24 March 2016. [Solutions]

Homework #7, Due Thursday 7 April 2016. [Solutions]

Final Project Initial Notes, Action Necessary by Monday 4 April 2016.

Homework #8, Due Thursday 14 April 2016. [Solutions]

Final Project Description. Papers due Tuesday 3 May 2016.

Homework #9, Due Thursday 21 April 2016, right before the midterm. This also includes some notes for the midterm.

Totally Optional Set of Problems #10. I won't collect these.

Final Project Presentation Order.

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