对数结构的扇形体和扇形体
Skeletons and fans of logarithmic structures
摘要:
我们调查了一系列密切相关的方法,概括球迷的复曲面品种,包括骨架,加藤球迷,阿廷球迷,多面体锥复合体,所有这些都适用于更广泛的背景下,对数几何。在适当的假设下,这些结构是等价的,但它们的不同实现却提供了令人惊讶的不同用途。我们强调几个当前的应用程序,并提出一些未来的可能性。
英文摘要:
We survey a collection of closely related methods for generalizing fans of toric varieties, include skeletons, Kato fans, Artin fans, and polyhedral cone complexes, all of which apply in the wider context of logarithmic geometry. Under appropriate assumptions these structures are equivalent, but their different realizations have provided for surprisingly disparate uses. We highlight several current applications and suggest some future possibilities.
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