MATH Seminar
| Title: Essential dimension of central simple algebras |
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| Seminar: Algebra and Number Theory |
| Speaker: Anthony Ruozzi of UCLA |
| Contact: R. Parimala, parimala@mathcs.emory.edu |
| Date: 2012-02-20 at 3:00PM |
| Venue: W306 |
| Download Flyer |
| Abstract: The essential dimension of an algebraic group $G$ measures the ``least number of parameters" needed to define a $G$-torsor. I will give a brief survey of how we can compute this number and how it relates to the structure of central simple algebras. |
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