Moduli Spaces of $$G_{2}$$-Instantons and Spin(7)-Instantons on Product Manifolds
Moduli Spaces of $$G_{2}$$-Instantons and Spin(7)-Instantons on Product Manifolds
复制标题
乘积流形上 $$G_{2}$$-瞬间和自旋(7)-瞬间的模空间
DOI:
10.1007/s00023-020-00938-w
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Yuanqi Wang
中科院分区:
文献类型:
--
作者:
Yuanqi Wang
Let X be a closed 6-dimensional manifold with a half-closed SU(3)-structure. On the product manifold
$$X\times S^{1}$$
, with respect to the product
$$G_{2}$$
-structure and on a pullback vector bundle from X, we show that any
$$G_{2}$$
-instanton is equivalent to a Hermitian Yang–Mills connection on X via a “broken gauge”. This result reveals the topological type of the moduli of
$$G_{2}$$
-instantons on
$$X\times S^{1}$$
. In dimension 8, similar result holds for moduli of Spin(7)-instantons. A generalization and an example are given.