English

Harmonicity of the Atiyah-Hitchin-Singer and Eells-Salamon almost complex structures

Differential Geometry 2018-03-22 v3

Abstract

In this paper we describe the oriented Riemannian four-manifolds MM for which the Atiyah-Hitchin-Singer or Eells-Salamon almost complex structure on the twistor space Z{\mathcal Z} of MM determines a harmonic map from Z{\mathcal Z} into its twistor space.

Cite

@article{arxiv.1611.06496,
  title  = {Harmonicity of the Atiyah-Hitchin-Singer and Eells-Salamon almost complex structures},
  author = {Johann Davidov and Oleg Mushkarov},
  journal= {arXiv preprint arXiv:1611.06496},
  year   = {2018}
}

Comments

minor changes; a detailed proof of a result announced in arXiv:1605.06804 is given

R2 v1 2026-06-22T16:58:19.660Z