Polarized cylinders in Du Val del Pezzo surfaces of degree two
Masatomo Sawahara
所有作者
Masatomo Sawahara
文献摘要
Let S be a del Pezzo surface with at worst Du Val singularities of degree 2 such that S admits an (−KS)-polar cylinder. In this article, we construct an H-polar cylinder for any ample Q-divisor H on S.