mathstodon.xyz is one of the many independent Mastodon servers you can use to participate in the fediverse.
A Mastodon instance for maths people. We have LaTeX rendering in the web interface!

Server stats:

2.8K
active users

Chris Purcell

@11011110 probably SE not MO I guess as it's an exercise really.

I like your proof better especially as it hadn't occurred to me that such a graph should be a cactus!