Office Camera on Parker Adey

About the Office Camera

Fri, 18 Nov 2022 09:35:05 -0500

There is a webcam in my office that I use to take photos of the whiteboard. This setup was inspired by Dror Bar Natan’s Blackboard Shots. If you know of anyone else with a similar setup, please let me know.

Tricky ProSet Layout Part 2

Thu, 14 May 2026 09:48:37 -0400

Tricky ProSet Layout Part 1

Thu, 14 May 2026 09:39:00 -0400

Mira Doodles

Mon, 20 Apr 2026 12:22:25 -0400

Magical Isomorphisms

Fri, 17 Apr 2026 12:09:56 -0400

The Poincare Lemma Intuition

Mon, 06 Apr 2026 11:38:54 -0400

Closed and Exact Forms

Mon, 06 Apr 2026 11:28:50 -0400

Rubik's Cubes and Groups (Part 2)

Mon, 06 Apr 2026 10:51:14 -0400

Rubik's Cubes and Groups

Mon, 06 Apr 2026 10:44:32 -0400

B42: Two Uses of Symmetry

Mon, 30 Mar 2026 14:12:02 -0400

B42 W2025 Exam Q3: Right Way

Mon, 30 Mar 2026 14:07:21 -0400

B42 W2025 Exam Q3: Wrong Way

Mon, 30 Mar 2026 14:02:32 -0400

Multilinearity of Wedge versus Forms

Mon, 30 Mar 2026 13:36:48 -0400

Linear Combinations via Pigeonhole Principle

Fri, 27 Mar 2026 11:08:10 -0400

Pull-Backs of 1-Forms

Mon, 23 Mar 2026 14:00:16 -0400

Flow Lines of F(x,y)=(x,y)

Mon, 23 Mar 2026 13:44:59 -0400

W2025 B42 Q6

Thu, 19 Mar 2026 14:29:19 -0400

W2025 B42 Q3a: The Arclength Formula

Thu, 19 Mar 2026 14:14:38 -0400

Calculating a Product of Cycles

Thu, 19 Mar 2026 13:47:43 -0400

Stuff to Google about Symmetry and Permutations

Thu, 19 Mar 2026 13:32:39 -0400