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Double ramification cycles with target varieties
Journal of Topology ( IF 0.8 ) Pub Date : 2020-10-28 , DOI: 10.1112/topo.12174 Felix Janda 1 , Rahul Pandharipande 2 , Aaron Pixton 3 , Dimitri Zvonkine 4
Journal of Topology ( IF 0.8 ) Pub Date : 2020-10-28 , DOI: 10.1112/topo.12174 Felix Janda 1 , Rahul Pandharipande 2 , Aaron Pixton 3 , Dimitri Zvonkine 4
Affiliation
Let be a nonsingular projective algebraic variety over , and let be the moduli space of stable maps
from genus , ‐pointed curves to of degree . Let be a line bundle on . Let be a vector of integers which satisfy
Consider the following condition: the line bundle
has a meromorphic section with zeros and poles exactly at the marked points
with orders prescribed by the integers
. In other words, we require to be the trivial line bundle on .
中文翻译:
目标品种的双分枝周期
让 成为非奇异的射影代数变体 , 然后让 是稳定图的模空间
来自属 , 指向曲线 至 度 。让 成为线束 。让 是满足以下条件的整数的向量
请考虑以下情况:线束
亚纯断面的零点和极点恰好位于标记点
用整数指定的顺序
。换句话说,我们要求 成为平凡的线束 。
更新日期:2020-10-30
中文翻译:
目标品种的双分枝周期
让 成为非奇异的射影代数变体 , 然后让 是稳定图的模空间