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:

3K
active users

There are lots of interesting group accounts you can follow on here, they work like this:

1. Follow a group's account to see discussion of its topic
2. @ the account if you want to post to the group
3. The account boosts anything @-ed to it, be careful when you @ them so that you don't spam the group (spammers tend to be reported and blocked)

More info, incl. how to create groups, at:

➡️ fedi.tips/how-to-use-groups-on

I've listed some active and friendly groups at:

➡️ fedi.directory/tag/fediverse-g

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fedi.tipsHow to use groups on Mastodon and the Fediverse | Fedi.Tips – An Unofficial Guide to Mastodon and the Fediverse
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Tommaths (he/him)

@feditips
I tried this out with a Guppe group a while ago, but I went back a few days later and it had disappeared. I'm assuming they do that after a particular period of inactivity - about idea how long that is? I can't find any info on that.

The group I had in mind would get bursts of activity every month or so and quiet in between, rather than sustained activity every day. Is there a better option for that sort of situation?

@TeaKayB

What do you mean by disappeared?

If you were following the group it should still be there?

@feditips
I mean the group stopped existing. The mentions of the group in existing posts stopped being links and turned into plain text.

@TeaKayB

I wonder if it was blocked by your server? That's what happens to mentions if an account is blocked.

@feditips
Is that something that might happen automatically? I don't know why anyone would block it on purpose. It was barely used.

@feditips
Can a group be deleted by someone? The Guppe group mentioned in this post seems to no longer exist either: mathstodon.xyz/@ColinTheMathmo

@feditips
Hmm, so I wonder why the mention isn't a link. Will this one work, I wonder: @mtbos@a.gup.pe ?

@feditips
Indeed it does. Why might old mentions have changed? Any ideas?
@mtbos@a.gup.pe

@TeaKayB

I'm not sure!

I wonder if it was a transient bug of some kind? I've sometimes noticed mentions not resolving themselves recently, wonder if it's something that needs fixing 🤔

@feditips
It's happened again: @museumed@a.gup.pe is no longer rendered as a link in this post: mathstodon.xyz/@TeaKayB/110785

I haven't seen this happening with anything but Guppe groups. It wouldn't surprise me if they expired after a while without use, but I can't see anything that suggests that's what happens...

@TeaKayB

It rendered fine in the post you just made, so whatever is causing it is intermittent?

Have you asked your server admin about this?

@TeaKayB

I don't know!

I've not heard of groups being shut down as such, they usually just end up disused if they aren't popular.