For example, A(5 + z −1 Let 1 + z3 1z −2 (2008)
Doron Zeilberger, The Anti-symmetrizer
is defined by: A(P)(z1,..., zn) = � (−1) inv(π) P (zπ(1),..., zπ(n)), π∈Sn where Sn is the group of permutations on {1,..., n} and inv(π) is the number of inversions of π (the number of...