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发布者蒋薪:文明办作者藏式沙:发布时间射池:2019-10-08浏览次数瞳:10


主讲人马:刘昱成赶裙怪,Northeastern University


时间败苍:2019年10月10日10楷:00


地点扛:3号楼301


举办单位恰籍:数理学院


内容介绍解毫私:We will review the Bridgeland's definition of stability conditions and Abramovich and Polihchuck's construction of global heart. Then we will construct a natural polynomial stability function associated with the global heart constructed by Abramovich and Polishchuk. Then we use the HN structures of this polynomial to refine the positivity lemma established by Bayer and Macri. These results will allow us to construct a rational stability condition on Db(Coh(X×C)) from a rational stability condition on Db(CohX), where C is a smooth projective curve.

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