44 citations · 71 across the 13 of their papers we have counts for
Showing 2008Show all
2 papers · 1 filter
math.RT2008
Symmetric Functions and Caps
Erik Carlsson
Given a finite subset S in F_p^d, let a(S) be the number of distinct r-tuples (x_1,...,x_r) in S such that x_1+...+x_r = 0. We consider the "moments" F(m,n) = sum_|S|=n a(S)^m. Spe…
math.AG2008★ 44 cited
Exts and Vertex Operators
Erik Carlsson, Andrei Okounkov
The direct product of two Hilbert schemes of the same surface has natural K-theory classes given by the alternating Ext groups between the two ideal sheaves in question, twisted by…