Deformations of nearly $G_2$-structures
Deformations of nearly $G_2$-structures
复制标题
近$G_2$结构的变形
DOI:
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发表时间:
2020
期刊:
影响因子:
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通讯作者:
U. Semmelmann
中科院分区:
文献类型:
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作者:
P. Nagy;U. Semmelmann
We describe the second order obstruction to deformation for nearly $G_2$ structures on compact manifolds. Building on work of B.Alexandrov and U.Semmelmann this allows proving rigidity under deformation for the proper nearly $G_2$ structure on the Aloff-Wallach space $N(1,1)$.