Journal
MATHEMATISCHE ZEITSCHRIFT
Volume 292, Issue 3-4, Pages 839-847Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00209-018-2121-2
Keywords
Oeljeklaus-Toma manifolds; Number field; Metabelian group; Solvmanifold; Affine manifold; Primitive element; Analytic subspace; 32J18
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Funding
- Ministry of Research and Innovation, CNCS-UEFISCDI, within PNCDI III [PN-III-P4-ID-PCE-2016-0065]
- CNPq [313608/2017-2]
- Russian Academic Excellence Project '5-100
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The Oeljeklaus-Toma (OT-)manifolds are compact, complex, non-Kahler manifolds constructed by Oeljeklaus and Toma, and generalizing the Inoue surfaces. Their construction uses the number-theoretic data: a number field K and a torsion-free subgroup U in the group of units of the ring of integers of K, with rank of U equal to the number of real embeddings of K. OT-manifolds are equipped with a torsion-free flat affine connection preserving the complex structure (this structure is known as flat affine structure). We prove that any complex subvariety of smallest possible positive dimension in an OT-manifold is also flat affine. This is used to show that if all elements in U\{1} are primitive in K, then X contains no proper analytic subvarieties.
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