Geometric Invariant Theory is where the party’s at!
Here is an introduction from René Birkner in Germany. And then, once again, Nick Proudfoot’s got the hookup, providing us with a note on Geometric Invariant Theory and projective toric varieties.
this is pretty cool
Tymoczko models musical chords consisting of n notes, not necessarily distinct, as points in the orbifold Tn / Sn – the space of n unordered points (not necessarily distinct) in the circle, realized as the quotient of the n-torus Tn(the space of n ordered points on the circle) by the symmetric group Sn (corresponding from moving from an ordered set to an unordered set).
For dyads (two notes), this yields the closed Möbius strip; for triads (three notes), this yields an orbifold that can be described as a triangular prism with the top and bottom triangular faces identified with a 120° twist (a ⅓ twist) – equivalently, as a solid torus in 3 dimensions with a cross-section an equilateral triangle and such a twist.
This looks pretty great, I want to apply. Even if I can’t get funding, there is air fare to boston for only $164!
There are some pretty exciting people there; maybe even a chance to hunt down George Shapiro.
Looks fun, maybe I will attend!
There will be two keynote lectures by:
Douglas Ravenel (University of Rochester)
Alan Reid (University of Texas, Austin)
New this year, there will be three open problem sessions led by:
Moon Duchin (University of Michigan, Ann Arbor) - Geometric Group Theory
Tom Fiore (University of Michigan, Dearborn) - Homotopy Theory
Benjamin Schmidt (Michigan State University) - Differential Geometry
Most importantly, there will be 24 short talks given by graduate students. Talks may be original or expository and can be given by graduate students of any level. We encourage you to apply!
I am going to resume posting to this blog!