摘要翻译:
本文介绍了一种证明$\bar{M}{0,n}$及其加权变体上某些除数类正性的新技巧。我们的方法将对称加权点有理曲线空间无条件地描述为$\bar{M}{0,n}$的对数规范模型。
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英文标题:
《Ample divisors on moduli spaces of weighted pointed rational curves,
with applications to log MMP for $\bar{M}_{0,n}$》
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作者:
Maksym Fedorchuk, David Ishii Smyth
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最新提交年份:
2008
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分类信息:
一级分类:Mathematics 数学
二级分类:Algebraic Geometry 代数几何
分类描述:Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology
代数簇,叠,束,格式,模空间,复几何,量子上同调
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英文摘要:
We introduce a new technique for proving positivity of certain divisor classes on $\bar{M}_{0,n}$ and its weighted variants. Our methods give an unconditional description of the spaces of symmetric weighted pointed rational curves as log canonical models of $\bar{M}_{0,n}$.
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PDF链接:
https://arxiv.org/pdf/0810.1677