2 papers
math.GR2002
Equivariant Euler characteristics of discriminants of reflection groups
Graham Denham, Nicole Lemire
Let G be a finite, complex reflection group and f its discriminant polynomial. The fibers of f admit commuting actions of G and a cyclic group. The virtual character…
math.CO2000
Annihilators of Ideals of Exterior Algebras
Graham Denham, Sergey Yuzvinsky
The Orlik-Solomon algebra A of a matroid is isomorphic to the quotient of an exterior algebra E by a defining ideal I. We find an explicit presentation of the annihilator ideal of…