SMS scnews item created by Anthony Henderson at Thu 15 Feb 2007 0958
Type: Seminar
Distribution: World
Expiry: 23 Feb 2007
Calendar1: 23 Feb 2007 1205-1255
CalLoc1: Carslaw 373
CalTitle1: Algebra Seminar: Achar -- The geometry of special pieces
Auth: anthonyh@asti.maths.usyd.edu.au

Algebra Seminar

The geometry of special pieces

Pramod Achar

23th February, 12:05-12:55pm, Carslaw 373


Abstract

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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