| 翻訳と辞書 | Iwasawa manifold| Iwasawa manifold  : ウィキペディア英語版 | 
 In mathematics, in the field of  differential geometry, an Iwasawa manifold is a compact quotient of a 3-dimensional complex Heisenberg group by a cocompact, discrete subgroup.  An
 Iwasawa manifold is a nilmanifold, of real dimension 6.
 Iwasawa manifolds give examples where the first two terms ''E''1 and ''E''2 of the Frölicher spectral sequence are not isomorphic.
 As a complex manifold, such an Iwasawa manifold is an important example of
 a compact complex manifold which does not admit any Kähler metric.
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