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Related papers: Notes on a class of paracontact metric 3-manifolds

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Determining the associated metrics we get a local classification of contact metric three manifolds.

Differential Geometry · Mathematics 2007-05-23 Karatsobanis John

This paper is a study of three-dimensional paracontact metric (\k{appa},{\mu},{\nu})-manifolds. Three dimensional paracontact metric manifolds whose Reeb vector field {\xi} is harmonic are characterized. We focus on some curvature…

Differential Geometry · Mathematics 2017-05-02 Irem Kupeli Erken , Cengizhan Murathan

This paper is a continuation of our previous work, where eleven basic classes of almost paracontact metric manifolds with respect to the covariant derivative of the structure tensor field were obtained. First we decompose one of the eleven…

Differential Geometry · Mathematics 2017-10-12 Simeon Zamkovoy , Galia Nakova

These are lecture notes on cut-and-paste methods in 3-dimensional contact geometry.

Symplectic Geometry · Mathematics 2007-05-23 Ko Honda

3-quasi-Sasakian manifolds were recently studied by the authors as a suitable setting unifying 3-Sasakian and 3-cosymplectic geometries. In this paper some geometric properties of this class of almost 3-contact metric manifolds are briefly…

Differential Geometry · Mathematics 2008-08-03 Beniamino Cappelletti Montano , Antonio De Nicola , Giulia Dileo

We classify the contact metric 3-manifolds that satisfy ||grad{\lambda}||=1 and \nabla_{{\xi}}{\tau}=2a{\tau}{\phi}.

Differential Geometry · Mathematics 2012-06-12 Irem Küpeli Erken , Cengizhan Murathan

The presented paper is devoted to study the curvature and torsion of slant Frenet curves in 3-dimensional normal almost paracontact metric manifolds. Moreover, in this class of manifolds, properties of non- Frenet slant curves (with null…

Differential Geometry · Mathematics 2012-12-27 Joanna Wełyczko

We survey what is known about various special types of submanifolds of contact manifolds and discuss their role in the development of contact geometry.

Symplectic Geometry · Mathematics 2025-10-08 John B. Etnyre

The object of investigations are almost contact B-metric structures on 3-dimensional Lie groups considered as smooth manifolds. There are established the existence and some geometric characteristics of these manifolds in all basic classes.…

Differential Geometry · Mathematics 2015-06-23 Hristo Manev , Dimitar Mekerov

In this paper eleven basic classes of almost paracontact manifolds are introduced and some examples are constructed.

Differential Geometry · Mathematics 2009-03-20 Galia Nakova , Simeon Zamkovoy

Lie groups considered as three-dimensional almost paracontact almost paracomplex Riemannian manifolds are investigated. In each basic class of the classification used for the manifolds under consideration, a correspondence is established…

Differential Geometry · Mathematics 2021-06-22 Mancho Manev , Veselina Tavkova

Certain curvature properties and scalar invariants of the manifolds belonging to one of the main classes almost contact manifolds with Norden metric are considered. An example illustrating the obtained results is given and studied.

Differential Geometry · Mathematics 2011-04-29 Marta Teofilova

It is provided an overview of existed results concerning classification of contact metric, almost cosymplectic and almost Kenmotsu $(\kappa,\mu)$-manifolds. In the case of dimension three it is described in full details structure of contact…

Differential Geometry · Mathematics 2020-09-23 Piotr Dacko

We construct (infinitely many) examples in all dimensions of contactomorphisms of closed overtwisted contact manifolds that are smoothly isotopic but not contact-isotopic to the identity.

Symplectic Geometry · Mathematics 2019-05-29 Fabio Gironella

Almost paracontact almost paracomplex Riemannian manifolds of the lowest dimension 3 are considered. Such structures are constructed on a family of Lie groups and the obtained manifolds are studied. Curvature properties of these manifolds…

Differential Geometry · Mathematics 2021-05-21 Mancho Manev , Veselina Tavkova

We study a remarkable class of paracontact metric manifolds which have no contact metric counterpart: the paracontact metric $(-1,\widetilde\mu)$-spaces which are not paraSasakian (i.e. have $\widetilde h\neq0$). We present explicit…

Differential Geometry · Mathematics 2016-06-15 Verónica Martín-Molina

The aim of the present paper is to study pseudo-symmetric, Ricci generalized pseudo-symmetric and generalized Ricci recurrent N(k)-Paracontact Metric Manifolds.

General Mathematics · Mathematics 2019-01-24 Vishnuvardhana. S. V. , Venkatesha , B. Phalaksha Murthy , B. Shanmukha

Almost paracontact Riemannian manifolds of the lowest dimension are studied, whose paracontact distributions are equipped with an almost paracomplex structure. These manifolds are constructed as a product of a real line and a 2-dimensional…

Differential Geometry · Mathematics 2023-09-06 Mancho Manev , Veselina Tavkova

The author is planning if possible classify all three-dimensional $(\kappa,\mu)$-manifolds wether contact metric, almost cosymplectic, para-contact metric, almost para-cosymplectic. Of course classification in contact or almost cosymplectic…

Differential Geometry · Mathematics 2020-06-30 Piotr Dacko

In this paper we construct and study almost paracontact metric structures $(\varphi ,\xi ,\eta ,g)$ on a 3-dimensional Walker manifold $(M,g)$ with respect to a local basis only by the coordinate functions of a unit space-like vector field…

Differential Geometry · Mathematics 2025-09-29 Galia Nakova , Cornelia-Livia Bejan
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