Presheaves on 2-categories
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Wed, 29/04/2009 11:30 |
Richard Williamson (University of Oxford) |
Algebra Kinderseminar  |
ChCh, Tom Gate, Room 2 |
| Presheaves on categories crop up everywhere! In this talk, I'll give a gentle introduction to 2-categories, and discuss the notion of a presheaf on a 2-category. In particular, we'll consider which 2-categories such a presheaf might take values in. Only a little familiarity with the notion of a category will be assumed! | |||