## September 3, 2020

### Announcing the Johns Hopkins (Virtual) Category Theory Seminar

#### Posted by Emily Riehl

The Johns Hopkins category theory seminar is a “topics course” in intermediate/advanced category theory, aimed at mathematics graduate students who have taken a first course or who have read an introductory book. Talks are given by the local participants, often on material they are learning for the first time. Interruptions to ask questions are highly encouraged.

This semester, the category theory seminar will meet virtually, and my students have suggested I invite other category-learners to join them. The seminar will meet on Wednesdays from 21-23pm UTC (which is Thursday morning in certain parts of the world). The talk itself will take place from 21:15-22:15, with the rest of the time reserved for discussion and socializing.

The planned talks have been announced on researchseminars.org where you can click on a link that conveys you directly into the zoom room. Even better: if you create a profile, the schedule will be displayed in your local time zone.

Out of a desire to organize a slimmed-down seminar - virtual talks being considerably more exhausting than IRL ones - all of the speakers in the seminar are Johns Hopkins affiliates. That said, we’d enjoy having the opportunity to get to know other budding category theorists elsewhere, so if you’re interested, please join us (with the warning that we may ask you to introduce yourself).

Posted at September 3, 2020 8:10 PM UTC

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### Re: Announcing the Johns Hopkins (virtual) category theory seminar

Lots of activity on the $n$-Category Café today! Apologies to John and David for stepping on your toes.

Posted by: Emily Riehl on September 3, 2020 8:17 PM | Permalink | Reply to this

### Re: Announcing the Johns Hopkins (virtual) category theory seminar

No problem — I like it when it’s busy here. Thanks for running this seminar! I announced it over on the Category Theory Community Server.

Posted by: John Baez on September 4, 2020 8:00 AM | Permalink | Reply to this

### Re: Announcing the Johns Hopkins (virtual) category theory seminar

Thanks John.

But what’s this category theory community server? The mailing list? The zulipchat? Or something I haven’t yet heard about?

Posted by: Emily Riehl on September 5, 2020 5:20 PM | Permalink | Reply to this

### Re: Announcing the Johns Hopkins (virtual) category theory seminar

Yes, no problem. In any case, responses seem to be more forthcoming on Twitter.

Posted by: David Corfield on September 4, 2020 9:03 AM | Permalink | Reply to this

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