On binomial equations defining rational normal scrolls
Algebraic Geometry
2007-05-23 v2 Commutative Algebra
Abstract
We show that a rational normal scroll can in general be set-theoretically defined by a proper subset of the 2-minors of the associated two-row matrix. This allows us to find a class of rational normal scrolls that are almost set-theoretic complete intersections.
Cite
@article{arxiv.math/0602609,
title = {On binomial equations defining rational normal scrolls},
author = {Margherita Barile},
journal= {arXiv preprint arXiv:math/0602609},
year = {2007}
}