Abstract
We prove an existence theorem for Spin(7)-instantons, which are highly concentrated near a Cayley submanifold; thus giving a partial converse to Tian’s foundational compactness theorem (Ann Math (2) 151(1):193–268, 2000). As an application, we show how to construct Spin(7)-instantons on Spin(7)-manifolds with suitable local K3 Cayley fibrations. This recovers an example constructed by Lewis (Spin(7) instantons, Ph.D. Thesis, 1998).
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Communicated by N. A. Nekrasov
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Walpuski, T. Spin(7)-Instantons, Cayley Submanifolds and Fueter Sections. Commun. Math. Phys. 352, 1–36 (2017). https://doi.org/10.1007/s00220-016-2724-6
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DOI: https://doi.org/10.1007/s00220-016-2724-6