Dickson Invariants in the image of the Steenrod Square
Abstract
Let Dn be the Dickson invariant ring of F2[X1,...,Xn] acted by the general linear group GL(n,2). In this paper, we provide an elementary proof of the conjecture by [Hung]: each element in Dn is in the image of the Steenrod square in F2[X1,...,Xn], where n>3.
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