Compactified Jacobians as Mumford models
Compactified Jacobians as Mumford models
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压缩雅可比行列式作为 Mumford 模型
DOI:
10.1090/tran/8875
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发表时间:
2023
影响因子:
1.3
通讯作者:
Shen, Tif
中科院分区:
文献类型:
--
作者:
Christ, Karl;Payne, Sam;Shen, Tif
We show that relative compactified Jacobians of one-parameter smoothings of a nodal curve of genusare Mumford models of the generic fiber. Each such model is given by an admissible polytopal decomposition of the skeleton of the Jacobian. We describe the decompositions corresponding to compactified Jacobians explicitly in terms of the auxiliary stability data and find, in particular, that in degreethere is a unique compactified Jacobian encoding slope stability, and it is induced by the tropical break divisor decomposition. References
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