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6:46 AM
In case somebody is willing to have a look at a question about comma categories (?coslice categories?): chat.stackexchange.com/transcript/68360/2022/5/10
 
 
8 hours later…
2:43 PM
4
A: I have a question which is a near fit for MathOverflow. What are some other resources I might consult?

Joby Other mathematical communities: Here are some mathematical communities on Reddit: https://old.reddit.com/r/abstractalgebra/ https://old.reddit.com/r/AppliedMath/ https://old.reddit.com/r/askmath/ https://old.reddit.com/r/mathematics/ https://old.reddit.com/r/math/ https://old.reddit.com/r/maths...

> There are various mathematical communities on platforms such as zulip, discord, slack, etc. Most of these require some sort of invitation to join. For instance, there is an Algebraic Topology Discord Server, which has roots in the homotopy theory chat room.
 

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