I believe I first saw this from @cosullivan, but:
"To help some of the newcomers make connections: name 5-8 things that interest you but aren't in your profile, as tags so they are searchable. Then boost this post or repeat its instructions so others know to do the same."
A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes.
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\] for display mode.