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Deformations of nearly G2 structures
Journal of the London Mathematical Society ( IF 1.0 ) Pub Date : 2021-06-22 , DOI: 10.1112/jlms.12475
Paul‐Andi Nagy 1 , Uwe Semmelmann 1
Affiliation  

We describe the second order obstruction to deformation for nearly G 2 structures on compact manifolds. Building on work of Alexandrov and Semmelmann, this allows proving rigidity under deformation for the proper nearly G 2 structure on the Aloff–Wallach space N ( 1 , 1 ) .

中文翻译:

近 G2 结构的变形

我们描述了变形的二阶障碍近 G 2 紧凑流形上的结构。建立在 Alexandrov 和 Semmelmann 的工作基础上,这可以证明变形下的刚度几乎 G 2 Aloff-Wallach 空间的结构 N ( 1 , 1 ) .
更新日期:2021-06-22
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