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Bach-Flat Kähler Surfaces

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ARTICLE DOWNLOAD

Bach-Flat Kähler Surfaces

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Claude LeBrun 

Abstract

A Riemannian metric on a compact 4-manifold is said to be Bach-flat if it is a critical point for the L2L2-norm of the Weyl curvature. When the Riemannian 4-manifold in question is a Kähler surface, we provide a rough classification of solutions, followed by detailed results regarding each case in the classification. The most mysterious case prominently involves 3-dimensional CR manifolds.

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Year 2020
Language English
Format PDF
DOI 10.1007/s12220-017-9925-x