Homogeneous 4-Dimensional Kähler–Weyl Structures
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- Brozos-Vázquez, M., García-Río, E., Gilkey, P. et al. Results. Math. (2013) 64: 357. doi:10.1007/s00025-013-0319-5
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Any pseudo-Hermitian or para-Hermitian manifold of dimension 4 admits a unique Kähler–Weyl structure; this structure is locally conformally Kähler if and only if the alternating Ricci tensor ρa vanishes. The tensor ρa takes values in a certain representation space. In this paper, we show that any algebraic possibility Ξ in this representation space can in fact be geometrically realized by a left-invariant Kähler–Weyl structure on a 4-dimensional Lie group in either the Hermitian or the para-Hermitian setting.