存在基点时 P^3 中曲面的隐式化
代数几何
2007-05-23 v4 交换代数
摘要
我们证明,用于 P^3 中曲面隐式化的动二次曲面法在某些存在基点的情况下适用。然而,若由参数化定义的理想是饱和的,则此方法很少适用。相反,我们证明当基点为局部完全交时,隐式方程可计算为首发团的结式。
引用
@article{arxiv.math/0205251,
title = {Implicitization of surfaces in P^3 in the presence of base points},
author = {Laurent Buse and David Cox and Carlos D'Andrea},
journal= {arXiv preprint arXiv:math/0205251},
year = {2007}
}
备注
27 pages. Revised version. Accepted for publication in the Journal of Algebra and its Applications