一般位置直线吹胀P^3上的有效除子锥
代数几何
2016-04-21 v2
摘要
我们计算了在一般位置最多五条直线处吹胀P^3所得簇上有效除子锥的面。我们证明了直至六条直线这些三维簇是弱Fano的，因此是Mori梦空间。
引用
@article{arxiv.1512.09005,
title = {Cones of effective divisors on the blown-up P^3 in general lines},
author = {Olivia Dumitrescu and Elisa Postinghel and Stefano Urbinati},
journal= {arXiv preprint arXiv:1512.09005},
year = {2016}
}
备注
Second version, accepted for publication to the special issue "Recent advances in Linear series and Newton-Okounkov bodies" of the "Rendiconti di Palermo" as proceedings of the workshop in Padua, February 2015