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Let G be a reductive algebraic group over an algebraically closed
field. The geometry of the unipotent variety in G plays a central
role in its representation theory, and in this talk, I'll discuss a
small corner of this vast topic: a set of conjectures by Lusztig on
what certain subvarieties of the unipotent variety, called "special
pieces", should look like. I'll also try to say something about
potential applications in the dreamy, ethereal world of "spetses".
This is joint work with D. Sage.
After the seminar we will take the speaker to lunch. See the Algebra Seminar web page for information about other seminars in the series. Anthony Henderson anthonyh@maths.usyd.edu.au. |
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