You're reading the public-facing archive of the Category Theory Zulip server.
To join the server you need an invite. Anybody can get an invite by contacting Matteo Capucci at name dot surname at gmail dot com.
For all things related to this archive refer to the same person.
I've been wanting to talk about Galois cohomology and Brauer groups here, but I see not many people are tuned into this stream. So, if any of you would like to learn about this stuff, tune in and ask me questions! If you know a bunch already, I have questions for you.