## Gus Lehrer (University of Sydney)
## Friday 12th October, 12.05-12.55pm, Carslaw 373
## The flag variety and twisted invariants of reflection groups
Let W be the Weyl group of a simple complex Lie group G.
If T is a maximal torus of G then W has a graded representation
on the cohomology of the flag variety G/T, which is well-known
to be equivalent to the representation of W on its coinvariant
algebra S |