pdf file (380K)
On the spectrum of the equivariant cohomology ring (with R. MacPherson}
pdf file (200K)
Loop products and closed geodesics (with N. Hingston)
pdf file (640K)
In Progress:
my book, Algebraic Shift Register Sequences (3.8 MB) with Andy Klapperupdated April 16, 2008
Kazhdan Lusztig Polynomials
Read these explanations first. Then
click here for KL polynomials for finite reflection groups:
A3, A4,
A5, C3,
C4, D4,
H3
and for Affine Weyl groups: