\( \def\bbN{{\mathbb N}} \def\bbQ{{\mathbb Q}} \def\bbR{{\mathbb R}} \def\bbZ{{\mathbb Z}} \def\calA{{\mathcal A}} \def\calD{{\mathcal D}} \def\calT{{\mathcal T}} \def\Lim{{\operatorname{Lim}}} \) © | Dror Bar-Natan: Classes: 2025-26:
Mug and Torus morph from Wikipedia

MAT1301S - Algebraic Topology

Toronto, Spring 2026

$$ $Essentials $$


Course Calendar

# Week of ... Things
1 January 5-9 Handout: $$make_page {name => 'About', title => 'About This Class'}$$.
$$framed_page {name => 'BB-0105', title => 'Blackboards for Monday January 5', url => 'https://drorbn.net/bbs/show.php?prefix=26-1301'}$$.
Tuesday/Wednesday: Homework Assignment 1 will likely be assigned.
2 January 12-16 Tuesday/Wednesday: Homework Assignment 2 will likely be assigned.
Wednesday: Dror's office time only 2:00-3:00.
3 January 19-24 Dror will be away this week and the class will most likely be taught by Alexander Kupers.
Tuesday: Today's class is at UC 256 (one time only).
Wednesday: No Dror's office time.
4 January 26-30 Tuesday: Class photo during break.
Tuesday/Wednesday: Homework Assignment 3 will likely be assigned.
Wednesday: Dror's office time only 2:00-3:00.
5 February 2-6 Thursday: our Term Test will take place at 6-8pm at SS 2105.
6 February 9-13 Tuesday/Wednesday: Homework Assignment 4 will likely be assigned.
R February 16-20 Monday is Family Day, and the week is Reading Week - no classes and no office time.
7 February 23-27 Tuesday/Wednesday: Homework Assignment 5 will likely be assigned.
Friday is the last date for graduate students to drop this class without penalty.
8 March 2-6 Tuesday/Wednesday: Homework Assignment 6 will likely be assigned.
9 March 9-13  
10 March 16-20 Tuesday/Wednesday: Homework Assignment 7 will likely be assigned.
11 March 23-27 Tuesday/Wednesday: Homework Assignment 8 will likely be assigned.
12 March 30 - April 3  
F April 6-10 I hope that our final examination will be scheduled for sometime this week.

Further resources: