Stable equivariant birationalities of cubic and degree 14 Fano threefolds

Yuri Tschinkel, Zhijia Zhang
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Abstract

We develop an equivariant version of the Pfaffian-Grassmannian correspondence and apply it to produce examples of nontrivial twisted equivariant stable birationalities between cubic threefolds and degree 14 Fano threefolds.
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立方和 14 度 Fano 三折的稳定等变性
我们开发了普法因子-格拉斯曼对应关系的等变版本,并将其应用于生成立方三维与 14 度法诺三维之间的非难扭曲等变稳定平行性的实例。
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