Lifting Divisors on a Generic Chain of Loops

Lifting Divisors on a Generic Chain of Loops
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通用循环链上的提升除数

DOI:
10.4153/cmb-2014-050-2
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发表时间:
2014
期刊:
Canadian Mathematical Bulletin
影响因子:
--
通讯作者:
S. Payne
S. Payne
中科院分区:
--
文献类型:
--
作者:
Dustin A. Cartwright;D. Jensen;S. Payne

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摘要 设 $C$ 是具有无限剩余域的完全值域上的曲线,其骨架是具有通用边长的循环链。我们证明,循环链上任何对值组有理数的除数都会提升到 $C$ 上相同等级的除数,证实了 Cools、Draisma、Robeva 和第三作者的猜想。
Abstract Let $C$ be a curve over a complete valued field having an infinite residue field and whose skeleton is a chain of loops with generic edge lengths. We prove that any divisor on the chain of loops that is rational over the value group lifts to a divisor of the same rank on $C$ , confirming a conjecture of Cools, Draisma, Robeva, and the third author.
DOI: 10.1215/00127094-3645544
发表时间: 2013-07
影响因子: 2.5
作者:
Jeffrey Giansiracusa;Noah Giansiracusa
通讯作者: Jeffrey Giansiracusa;Noah Giansiracusa