MATH 561 Home

Welcome to MATH 561

This will all make sense when I am older.

We're older now, so it's time things make sense. This wiki is an attempt move at least one step in that direction, by collecting together all of the information we'll be discovering on our journey this quarter through module theory and category theory. Everything should be treated as a work-in-progress, with notes changing and updating frequently.[1] Feel free to peruse at your leisure.

Recent class summaries

Did you miss a class, or maybe just need a reminder about what we covered on a specific day? Check out our daily class summaries. Below you can find the four most recent classes. The full collection of summaries is available here.

Class Date Topics Covered
2024-10-11
  • Free modules
  • Generators for modules
2024-10-10
  • Adjoints
  • Free modules
2024-10-08
  • Adjoints
2024-10-07
  • Natural transformations
  • Functor categories

Homework assignments

Although the weekly assignments should be submitted digitally in Canvas, the assignments themselves are posted here. You can also see when the assignments were last updated, whether it were to correct mistakes, add hints, or post solutions.

Assignment Due Date Last Updated
Homework 3 October 13, 2024 10:39 AM - October 07, 2024
Homework 2 October 06, 2024 11:12 AM - October 09, 2024
Homework 1 September 29, 2024 12:43 PM - October 07, 2024

  1. At the top of each page you should see a timestamp indicating the last time that page was updated. ↩︎