
- Click to share on X (Opens in new window) X
- Click to share on Facebook (Opens in new window) Facebook
- Click to share on Reddit (Opens in new window) Reddit
- Click to share on LinkedIn (Opens in new window) LinkedIn
- Click to share on Threads (Opens in new window) Threads
- Click to share on Mastodon (Opens in new window) Mastodon
Privacy & Cookies: This site uses cookies. By continuing to use this website, you agree to their use.
To find out more, including how to control cookies, see here: Cookie Policy
To find out more, including how to control cookies, see here: Cookie Policy
This post was part of the Chalkdust 2016 Advent Calendar.

Aryan is a PhD student in mathematics at Queen Mary University of London, working with categories in quantum algebra. He is often the cranky audience member in the front row.
More from Chalkdust
The Josephus problem
Alvin Choy works out who will be the last one left inDiagrammatic algebra: On the road to category theory
Aryan Ghobadi gives a maths lecture at a zooDear Dirichlet, Issue 08
Village fetes, Brexit and flowers are among the topics of discussion in this issue's Dear Dirichlet advice columnOn the cover: Euclidean Egg III
Euclidean Egg III makes the cover of issue 06!Which mathematician are you?
Behind today's door... a quiz!In conversation with Artur Avila
Chatting with a Fields Medallist in a Leicester Square pub