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math.AG2017
The Oort conjecture for Shimura curves of small unitary rank
Ke Chen, Xin Lu, Kang Zuo
We prove that a Shimura curve in the Siegel modular variety is not generically contained in the open Torelli locus as long as the rank of unitary part in its canonical Higgs bundle…
math.AG2017★ 1 cited
On a question of Ekedahl and Serre
Ke Chen, Xin Lu, Kang Zuo
In this paper we study various aspects of the Ekedahl-Serre problem. We formulate questions of Ekedahl-Serre type and Coleman-Oort type for general weakly special subvarieties in t…