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Related papers: Generalized (\kappa,\mu)-space forms

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Contact metric $(\kappa ,\mu )$-spaces are generalizations of Sasakian spaces. We introduce a weak $(\kappa ,\mu )$ condition as a generalization of the K-contact one and show that many of the known results from generalized Sasakian…

Differential Geometry · Mathematics 2022-07-15 Philippe Rukimbira

We study the Riemann curvature tensor of (\kappa,\mu,\nu)-spaces when they have almost cosymplectic and almost Kenmotsu structures, giving its writing explicitly. This leads to the definition and study of a natural generalisation of the…

Differential Geometry · Mathematics 2013-08-06 Alfonso Carriazo , Verónica Martín-Molina

In this paper we work on $N(\kappa)$-contact metric manifolds with a generalized Tanaka-Webster connection . We obtain some curvature properties. It is proven that if a $N(\kappa)$-contact metric manifold with generalized Tanaka-Webster…

Differential Geometry · Mathematics 2025-01-10 İnan Ünal , Mustafa Altin

We consider biharmonic submanifolds in both generalized complex and Sasakian space forms. After giving the biharmonicity conditions for submanifolds in these spaces, we study different particular cases for which we obtain curvature…

Differential Geometry · Mathematics 2017-02-22 Julien Roth , Abhitosh Upadhyay

In this paper, we obtain Chen's inequalities for submanifolds in $(\kappa,\mu)$-contact space form with two kinds of generalized semi-symmetric non-metric connections.

Differential Geometry · Mathematics 2020-03-03 Yong Wang

We introduce generalized almost contact structures which admit the $B$-field transformations on odd dimensional manifolds. We provide definition of generalized Sasakain structures from the view point of the generalized almost contact…

Differential Geometry · Mathematics 2012-12-27 Ken'ichi Sekiya

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

In this paper we study the foliated structure of a contact metric $(\kappa,\mu)$-space. In particular, using the theory of Legendre foliations, we give a geometric interpretation to the Boeckx's classification of contact metric…

Differential Geometry · Mathematics 2013-06-18 Beniamino Cappelletti Montano

This is an expository paper, which provides a first introduction to geometric structures on $TM\oplus T^*M$. The paper contains definitions and characteristic properties of generalized complex, generalized Kaehler, generalized (normal,…

Differential Geometry · Mathematics 2010-05-27 Izu Vaisman

We study the Riemann curvature tensor of (\kappa,\mu,\nu)-contact metric manifolds, which we prove to be completely determined in dimension 3, and we observe how it is affected by D_a-homothetic deformations. This prompts the definition and…

Differential Geometry · Mathematics 2015-07-28 Kadri Arslan , Alfonso Carriazo , Verónica Martín-Molina , Cengizhan Murathan

The present paper deals with some results of submanifolds of generalized Sasakian-space-forms in \cite{ALEGRE3} with respect to semisymmetric metric connection, semisymmetric non-metric connection, Schouten-van Kampen connection and…

Differential Geometry · Mathematics 2018-03-08 Pradip Mandal , Shyam Kishor , Shyamal Kumar Hui

The present paper deals with the study of generalized $\phi$-recurrent generalized $(k,\mu)$-contact metric manifolds with the existence of such notion by a proper example.

Differential Geometry · Mathematics 2017-07-05 Shyamal Kumar Hui

In this paper we classify Ricci-generalized pseudosymmetric $(\kappa, \mu)$-contact metric manifolds in the sense of Deszcz .

Differential Geometry · Mathematics 2017-08-22 N. Malekzadeh , E. Abedi

We regard a contact metric manifold whose Reeb vector field belongs to the $(\kappa,\mu)$-nullity distribution as a bi-Legendrian manifold and we study its canonical bi-Legendrian structure. Then we characterize contact metric…

Differential Geometry · Mathematics 2013-06-18 Beniamino Cappelletti Montano , Luigia Di Terlizzi

Generalized $(\kappa ,\mu )$ structures occur in dimension 3 only. In this dimension 3, only K-contact structures can occur as generalized Eta-Einstein. On closed manifolds, Eta-Einstein, K-contact structures which are not D-homothetic to…

Differential Geometry · Mathematics 2023-10-09 Philippe Rukimbira

In this study, we give definition of some multivalued hybrid mappings which are general than many mappings in the existing literature, then we give some existence and convergence results for these mappings in CAT({\kappa})-spaces

Functional Analysis · Mathematics 2016-07-21 Emirhan Hacığlu , Vatan Karakaya

In this paper, we show that a generalized Sasakian space form of dimension greater than three is either of constant sectional curvature; or a canal hypersurface in Euclidean or Minkowski spaces; or locally a certain type of twisted product…

Differential Geometry · Mathematics 2015-08-04 Avik De , Tee-How Loo

In this paper, ideas of open ball, closed ball, compact set are introduced and some related basic properties are studied. Some topological properties and some other well known results of metric spaces including Cantor intersection theorem…

General Topology · Mathematics 2025-04-08 Abhishikta Das , T. Bag

Generalized differential forms are used in discussions of metric geometries and Einstein's vacuum field equations. Cartan's structure equations are generalized and applied. In particular flat generalized connections are associated with any…

Mathematical Physics · Physics 2022-06-14 D C Robinson

In this paper, we prove a theorem that gives a simple criterion for generating commuting pairs of generalized almost complex structures on spaces that are the product of two generalized almost contact metric spaces. We examine the…

Differential Geometry · Mathematics 2018-04-13 Janet Talvacchia
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