Harmonic SU(3)- and G₂-structures via spinors
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🧮 math.DG
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harmonicitystructuresobtainedaboveappropriateauthorsconditionsconsideration
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In this note, using the spinorial description of $SU(3)$ and $G_2$-structures obtained recently by other authors, we give necessary and sufficient conditions for harmonicity of above mentioned structures. We describe obtained results on appropriate homogeneous spaces. Here, harmonicity means harmonicity of the unique section induced by a $G$-structure in consideration.
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