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math.AG2021★ 1 cited
On the termination of the MMP for semi-stable fourfolds in mixed characteristic
Lingyao Xie, Qingyuan Xue
We improve on the result of Hacon and Witaszek by showing that the MMP for semi-stable fourfolds in mixed characteristic terminates in several new situations. In particular, we sho…
math.AP2021★ 1 cited
Quantitative uniqueness of continuation result related to Hopf's lemma
Mourad Choulli, Faouzi Triki, Qi Xue
The classical Hopf's lemma can be reformulated as uniqueness of continuation result. We aim in the present work to quantify this property. We show precisely that if a solution …