Geometric Representation Theory Seminar - Fall 2007

John Baez and James Dolan

This fall, our seminar is tackling geometric representation theory — the marvelous borderland where geometry, groupoid theory and logic merge into a single subject. The seminar is jointly run by John Baez and James Dolan. Besides explaining well-known stuff, we'll report on research we've done with Todd Trimble over the last few years.

For much more on the subject of this seminar, see:

Below you can find videos and handwritten notes of the seminar. As usual, the seminar will meet on Tuesdays and Thursdays, and you can ask questions and read more discussion at the n-Category Café: the classes all have blog entries to go with them, which you can access below. All the videos are on Google drive, here, listed by date. For example, the first one, made on Sept. 27, is called

This seminar is continuing into the winter quarter - check it out!


If you catch mistakes, let me know and I'll add them to the list of errata. There may also eventually be some LaTeX, encapsulated PostScript and xfig files to download if for some bizarre reason you want them. However, we reserve all rights to this work.

© 2007 John Baez and James Dolan