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Stack Semantics

Today I’m blogging from Washington D.C., at the Annual Meeting of the Association for Symbolic Logic. The ASL is mostly populated with material set theorists and classical logicians, but this year they...

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Intrinsic Volumes and Weyl’s Tube Formula (continued)

Tom Leinster was wanting to make some comments on my post Intrinsic Volumes and Weyl’s Tube Formula over at our usual place, so I’m just posting this to give him something to reply to.

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Modeling Surface Diagrams

I’m currently at MSRI at a knot homology meeting. There are lots of people here with pictures of surfaces, some of these even being categorical, so I thought I would return to the subject of computer...

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Normal Service is Resumed!

Thanks once more to the sterling work of Jacques Distler, the original Café is up and running again. So, please go there, rather than here, for all your mathematical, physical and philosophical needs....

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Hardware Problem

Golem, the computer on which the Cafe runs, has sadly passed away. A replacement should be up and running late next week – Jacques is working on it, for which we’re very grateful. Until then, you can...

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Category Theory and Philosophy of Mathematics Today

Here’s an interesting series of talks, announced by Andrei Rodin on the category theory mailing list: Category Theory and Philosophy of Mathematics Today (a satellite event associated with the workshop...

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The Scottish Category Theory Seminar

The Scottish Category Theory Seminar is a newish series of occasional afternoon meetings, at locations roaming around the country (though there’ll probably never be any on highland mountaintops or...

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Main Site Temporarily Down

The n-Category Café is located at http://golem.ph.utexas.edu/category. We keep this site as a reserve in case anything goes wrong. The main site will be temporarily down for 48 hours starting at 6pm...

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Test

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This Is Not The n-Category Café

The n-Category Café is located at http://golem.ph.utexas.edu/category. We only keep this site as a backup for the odd occasion when the main site goes down.

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