Riemannian manifolds with a parallel field of complex planes

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The purpose of this paper is to discuss Riemannian manifolds which admit a parallel field of complex planes, consisting of vectors of the form {Mathematical expression}, where a,b are real orthogonal vectors of equal length. Using the Nirenberg Frobenius Theorem [12], it follows that these are reducible Riemannian manifolds, whose metric is locally a sum of a Kähler and of a Riemann metric, and we are calling them partially Kähler manifolds. After a general presentation of these manifolds (including a general presentation of the complex integrable plane fields) we are discussing harmonic forms, Betti numbers, and Dolbeault cohomology. This discussion is based on a theorem of Chern [4], and it provides generalizations of the results of Goldberg [9], as well as some other new results.

Original languageEnglish
Pages (from-to)174-192
Number of pages19
JournalJournal of Geometry
Issue number1
StatePublished - Dec 1981

ASJC Scopus subject areas

  • Geometry and Topology


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