---
date: '2025-11-01'
description: introduction to topology
id: topology-mit-18-901-psets
modified: 2026-06-05 15:08:22 GMT-04:00
seealso:
  - '[[thoughts/topology]]'
socials:
  ocw: https://ocw.mit.edu/courses/18-901-introduction-to-topology-fall-2004/
tags:
  - math
  - math/topology
title: mit 18.901
created: '2025-11-01'
published: '2025-11-01'
pageLayout: default
slug: thoughts/topology/mit-18-901-problemsets
permalink: https://aarnphm.xyz/thoughts/topology/mit-18-901-problemsets.md
generator:
  quartz: v4.6.0
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full: https://aarnphm.xyz/llms-full.txt
---
- supporting notes: [[thoughts/topology/point set|point-set]], [[thoughts/topology/separation|separation]], [[thoughts/topology/compactness|compactness]], [[thoughts/topology/fundamental group|fundamental group]].

## schedule

| pset | due (2025) | focus                            | status |
| ---- | ---------- | -------------------------------- | ------ |
| 1    | sep 11     | basics, bases, subspace topology | \[ \]  |
| 2    | sep 18     | product and quotient spaces      | \[ \]  |
| 3    | sep 25     | separation axioms, urysohn       | \[ \]  |
| 4    | oct 2      | compactness warm-up              | \[ \]  |
| 5    | oct 9      | compactness + connectedness      | \[ \]  |
| 6    | oct 23     | fundamental group intro          | \[ \]  |
| 7    | oct 30     | van kampen applications          | \[ \]  |
| 8    | nov 6      | covering space classification    | \[ \]  |
| 9    | nov 13     | advanced covering examples       | \[ \]  |
| 10   | nov 20     | review + algebraic bridge        | \[ \]  |

## workflow

- download statements from mit ocw; mirror in local `psets/` folder.
- log solution outlines and common pitfalls per set.
- file complete solutions externally; reference here for internal indexing only.