On the straightening law for minors of a matrix
We give a simple new proof for the straightening law of Doubilet, Rota, and Stein using a generalization of the Laplace expansion of a determinant.
math.AC↗
arXiv subjects
Richard G. Swan
Publications and source records attributed to Richard G. Swan.
On stably free modules over affine algebras
We prove that stably free modules of rank d-1 over a smooth affine algebra of dimension d over an algebraically closed field k are free, provided (d-1)! is nonzero in k.
math.AC↗