G2${\mathrm{G}}_2$‐instantons on the 7‐sphere
G2${\mathrm{G}}_2$‐instantons on the 7‐sphere
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G2${mathrm{G}}_2$-7 球面上的瞬时
DOI:
10.1112/jlms.12672
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Waldron, Alex
中科院分区:
文献类型:
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作者:
Waldron, Alex
We study the deformation theory of G2${\mathrm{G}}_2$‐instantons on the round 7‐sphere, specifically those obtained from instantons on the 4‐sphere via the quaternionic Hopf fibration. We find that the pullback of the standard ASD instanton lies in a smooth, complete, 15‐dimensional family of G2${\mathrm{G}}_2$‐instantons. In general, the space of infinitesimal G2${\mathrm{G}}_2$‐instanton deformations on S7$S^7$ is identified with three copies of the space of ASD deformations on S4$S^4$.