Homotopy Theory

Speaker:

"Organizational meeting"

Time: 13:00

Room: MC 106

We will choose a topic for the semester. All are welcome.

Colloquium

Speaker: Ajneet Dhillon (Western)

"Essential Dimension and Algebraic Stacks"

Time: 15:30

Room: MC 108

This will be an expository talk on the work of Brosnan-Fakhuriddin-Reichstein-Vistoli. We will relate essential dimension to dimension and discuss the discrepency between the two for algebraic stacks. If time permits applications to vector bundles on curves will be given.