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Derived Equivalences for the Flops of Type C 2 and A 4 G ${A}_{4}^{G}$ via Mutation of Semiorthogonal Decomposition
Algebras and Representation Theory ( IF 0.5 ) Pub Date : 2021-03-03 , DOI: 10.1007/s10468-021-10036-y
Hayato Morimura

We give a new proof of the derived equivalence of a pair of varieties connected by the flop of type C2 in the list of Kanemitsu (2018), which is originally due to Segal (Bull. Lond. Math. Soc., 48 (3) 533–538, 2016). We also prove the derived equivalence of a pair of varieties connected by the flop of type \({A}_{4}^{G}\) in the same list. The latter proof follows that of the derived equivalence of Calabi–Yau 3-folds in Grassmannians Gr(2,5) and Gr(3,5) by Kapustka and Rampazzo (Commun. Num. Theor. Phys., 13 (4) 725–761 2019) closely.



中文翻译:

通过半正交分解的突变获得C 2和A 4 G $ {A} _ {4} ^ {G} $触发器的等效

我们给出了在Kanemitsu(2018)列表中通过C 2的翻牌连接的一对变体对的等价性的新证明,其最初是由Segal(Bull.Lond.Math.Soc。,48(3 533-538,2016年)。我们还证明了在同一列表中通过类型\({A} _ {4} ^ {G} \)的翻牌连接的一对变体的导出等价性。后一个证明是由Kapustka和Rampazzo得出的格拉斯曼氏Gr(2,5)和Gr(3,5)的Calabi–Yau 3倍的等价性(Commun。Num。Theor。Phys。,13(4)725)。 –761 2019)。

更新日期:2021-03-03
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