Deformations of nearly G2 structures

被引：3

作者：

Nagy, Paul-Andi ^{[1
]}

Semmelmann, Uwe ^{[1
]}

机构：

[1] Univ Stuttgart, Fachbereich Math, Inst Geometrie & Topol, Pfaffenwaldring 57, D-70569 Stuttgart, Germany

来源：

JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES | 2021年 / 104卷 / 04期

关键词：

53C10; 53C25 (primary);

D O I：

10.1112/jlms.12475

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We describe the second order obstruction to deformation for nearly G2 structures on compact manifolds. Building on work of Alexandrov and Semmelmann, this allows proving rigidity under deformation for the proper nearly G2 structure on the Aloff-Wallach space N(1,1).

引用

页码：1795 / 1811

页数：17

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