Foliated structure of weak nearly Sasakian manifolds

Fuente: arXiv
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Autore principale: Rovenski, Vladimir
Natura: Preprint
Pubblicazione: 2023
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author Rovenski, Vladimir
author_facet Rovenski, Vladimir
contents Weak contact metric manifolds, i.e., the linear complex structure on the contact distribution is replaced by a nonsingular skew-symmetric tensor, defined by the author and R. Wolak, allowed a new look at the theory of contact manifolds. In this paper we study the new structure of this type, called the weak nearly Sasakian structure. We find conditions that are automatically satisfied by almost contact manifolds and under which the contact distribution is curvature invariant and the weak nearly Sasakian structure foliates into two types of totally geodesic foliations. Our main result generalizes the theorem by B. Cappelletti-Montano and G. Dileo (2016) about the foliated structure of nearly Sasakian manifolds.
format Preprint
id arxiv_https___arxiv_org_abs_2312_11411
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Foliated structure of weak nearly Sasakian manifolds
Rovenski, Vladimir
Differential Geometry
Weak contact metric manifolds, i.e., the linear complex structure on the contact distribution is replaced by a nonsingular skew-symmetric tensor, defined by the author and R. Wolak, allowed a new look at the theory of contact manifolds. In this paper we study the new structure of this type, called the weak nearly Sasakian structure. We find conditions that are automatically satisfied by almost contact manifolds and under which the contact distribution is curvature invariant and the weak nearly Sasakian structure foliates into two types of totally geodesic foliations. Our main result generalizes the theorem by B. Cappelletti-Montano and G. Dileo (2016) about the foliated structure of nearly Sasakian manifolds.
title Foliated structure of weak nearly Sasakian manifolds
topic Differential Geometry
url https://arxiv.org/abs/2312.11411