### Gurski on Tricategories

#### Posted by John Baez

Nick Gurski’s thesis is now available! If your work takes you beyond weak 2-categories and into the land of weak 3-categories, you’ll need to read this:

- Nick Gurski, An Algebraic Theory of Tricategories.

For an easy introduction, try listening to Gurski’s talk at the Fields Institute workshop on Higher Categories and Their Applications.

Thanks to Tom Leinster, you can also see the blackboards from his talk, starting with this one:

## Re: Gurski on Tricategories

And, if your work takes you beyond weak 3-categories and into the land of weak 4-categories, then you’ll

especiallyneed to read this! :)