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Hyperkähler cones and instantons on quaternionic Kähler manifolds
Annals of Global Analysis and Geometry ( IF 0.7 ) Pub Date : 2020-07-26 , DOI: 10.1007/s10455-020-09726-5
Chandrashekar Devchand , Massimiliano Pontecorvo , Andrea Spiro

We present a novel approach to the study of Yang-Mills instantons on quaternionic K\"ahler manifolds, based on an extension of the harmonic space method of constructing instantons on hyperk\"ahler manifolds. Our results establish a bijection between local equivalence classes of instantons on quaternionic K\"ahler manifolds M and equivalence classes of certain holomorphic maps on an appropriate SL_2(C)-bundle over the Swann bundle of M.

中文翻译:

四元数 Kähler 流形上的 Hyperkähler 锥和瞬子

我们提出了一种研究四元数 K\"ahler 流形上的 Yang-Mills 瞬子的新方法,基于在 hyperk\"ahler 流形上构造瞬子的调和空间方法的扩展。我们的结果建立了四元数 K\"ahler 流形 M 上瞬时子的局部等价类与 M 的斯旺丛上适当 SL_2(C) 丛上某些全纯映射的等价类之间的双射。
更新日期:2020-07-26
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