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On almost contact metric 1-hypersurfaces in Kählerian manifolds. (English. Russian original) Zbl 1312.53077
Sib. Math. J. 55, No. 4, 585-588 (2014); translation from Sib. Mat. Zh. 55, No. 4, 719-723 (2014).
The author proves that an almost contact metric structure on an orientable hypersurface with type 1 (that is, such that its second fundamental form has rank $$1$$) is necessarily cosymplectic.

##### MSC:
 53C40 Global submanifolds 53C55 Global differential geometry of Hermitian and Kählerian manifolds 53C15 General geometric structures on manifolds (almost complex, almost product structures, etc.)
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##### References:
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