Cylindrical ample divisors on Du Val del Pezzo surfaces

Autor: Sawahara, Masatomo
Rok vydání: 2023
Předmět:
Druh dokumentu: Working Paper
Popis: Let $S$ be a del Pezzo surface with at worse Du Val singularities of degree $\ge 3$. We construct an $H$-polar cylinder for any ample $\mathbb{Q}$-divisor $H$ on $S$.
Comment: 23 pages, 8 figures; v3: Many typos are revised. To appear in Forum Mathematicum
Databáze: arXiv