Listar Geometría y Topología por autor "Fernández Andrés, Manuel"
Mostrando ítems 1-20 de 21
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Artículo
A classification of totally F-umbilical submanifolds of an S-manifold
(Soochow University, Department of Mathematics, 1992-04)In this note a classification theorem for totally f-umbilical submanifolds of an S-space form is obtained.
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Tesis Doctoral
Estructuras polinómicas de tipo (h, k)
(1985-05-02)En esta memoria se definen las estructuras polinómicas de tipo (h, k) como un campo tensorial f de tipo (1 1) no nulo de ...
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Artículo
Existence and uniqueness theorem for slant immersions in Sasakian-space-forms
(Institute of Mathematics (University of Debrecen), 2001)In this paper, we present the existence and uniqueness theorems for slant immersions into Sasakian-space-forms. By applying ...
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Tesis Doctoral
Inmersiones isotrópicas pseudo-riemannianas
(2008)La noción de inmersión isotrópica Riemanniana fue introducida por B. O Neill [O N1] quien estudió propiedades generales ...
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Artículo
Isotropic submanifolds of pseudo-Riemannian spaces
(Elsevier, 2012-09)The family of all the submanifolds of a given Riemannian or pseudo-Riemannian manifold is large enough to classify them ...
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Artículo
Isotropy and marginally trapped surfaces in a spacetime
(IOP Publishing, 2010)In this note we shall study the notions of isotropic and marginally trapped surface in a spacetime by using a differential ...
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Artículo
Magnetic vortex filament flows
(AIP Publishing, 2007-08)We exhibit a variational approach to study the magnetic flow associated with a Killing magnetic field in dimension 3. In ...
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Artículo
Massless particles in three-dimensional Lorentzian warped products
(AIP Publishing, 2007-01)The model of a massless relativistic particle with curvature-dependent Lagrangian is well known in (d+1)-dimensional ...
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Artículo
On pseudo-Einstein hypersurfaces of ℋ2n+s
(Indian National Science Academy, 1996-05)In this paper, some properties of the geometry of pseudo-Einstein hypersurfaces of the S-manifold ℋ 2n+s are studied and a theorem concerning their principal curvatures is obtained.
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Artículo
On the existence of almost contact structure and the contact magnetic field
(Springer, 2009-10)In this short note we give a simple proof of the existence of an almost contact metric structure on any orientable ...
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Artículo
On ξ-conformally flat contact metric manifolds
(Indian National Science Academy, 1997-06)In this paper, the notion of ξ-conformally flat on a contact metric structure is introduced and it is proved that any ...
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Artículo
Riemannian submersions and slant submanifolds
(Institute of Mathematics (University of Debrecen), 2002)We study the relationship between slant submanifolds in both Complex and Contact Geometry through Riemannian submersions. ...
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Artículo
Rigidity of pseudo-isotropic immersions
(Elsevier, 2009-07)Several notions of isotropy of a (pseudo)Riemannian manifold have been introduced in the literature, in particular, the ...
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Artículo
Semi-slant submanifolds of a Sasakian manifold
(Springer, 1999-11)We define and study both bi-slant and semi-slant submanifolds of an almost contact metric manifold and, in particular, of ...
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Artículo
Structure on a slant submanifold of a contact manifold
(Indian National Science Academy, 2000-07)In this paper, we study the possibility of obtaining an induced contact metric structure on a slant submanifold of a contact metric manifold. We also give a characterization theorem for three-dimensional slant submanifolds.
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Tesis Doctoral
Subvariedades Slant en variedades de contacto
(1998-05-19)Las subvariedades slant constituyen un importante caso intermedio entre las subvariedades invariantes y anti-invariantes. ...
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Artículo
The contact magnetic flow in 3D Sasakian manifolds
(IOP Publishing, 2009-05-15)We first present a geometrical approach to magnetic fields in three-dimensional Riemannian manifolds, because this particular ...
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Artículo
The contact number of a pseudo-Euclidean submanifold
(Mathematical Society of the Republic of China, 2008-10)In this paper we define the contact number of a pseudo-Riemannian submanifold into the pseudo-Euclidean space, and prove ...
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Artículo
The Gauss-Landau-Hall problem on Riemannian surfaces
(AIP Publishing, 2005)We introduce the notion of Gauss-Landau-Hall magnetic field on a Riemannian surface. The corresponding Landau-Hall problem ...
- Tesis Doctoral