Listar por autor "Fernández Fernández, Luis Manuel"
Mostrando ítems 21-40 de 40
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Tesis Doctoral
Lagrangian submanifolds in complex space forms, the Maslov form in S-manifolds, generalized S-space forms and n-Einstein para-S manifolds
(2016-02-11)In this memory we present ve papers which have been published as a result of our researching, part of which has been done ...
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Artículo
Metric f-Contact Manifolds Satisfying the (κ, μ)-Nullity Condition
(MDPI, 2020-06-02)We prove that if the f-sectional curvature at any point of a (2n+s) -dimensional metric f-contact manifold satisfying the ...
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Artículo
Minimal slant submanifolds of the smallest dimension in S-manifolds
(European Mathematical Society, 2005)We study slant submanifolds of S-manifolds with the smallest dimension, specially minimal submanifolds and establish some ...
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Artículo
New relationships involving the mean curvature of slant submanifolds in S-space-forms
(Korean Mathematical Society, 2007)Relationships between the Ricci curvature and the squared mean curvature and between the shape operator associated with ...
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Artículo
On certain anti-invariant submanifolds of an S-manifold
(Sociedade Portuguesa de Matemática, 1993)In this paper, the geometry of certain anti-invariant submanifolds of an S-manifold, namely those which are normal to the structure vector fields, is studied.
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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 totally geodesic invariant submanifolds of an S-manifold
(Real Academia de Ciencias de Zaragoza, 1988)In [1] Blair, O.E.: 1970, J. Diff. Geom. 4, (155-167), S-manifolds, which reduce in a special case to Sasakian manifolds, ...
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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
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
Some relationships between intrinsic and extrinsic invariants of submanifolds in generalized S-space-forms
(Hacettepe University, 2015)We establish some inequalities of Chen’s type between certain intrinsic invariants (involving sectional, Ricci and scalar ...
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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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Artículo
Submanifolds weakly associated with graphs
(Indian Academy of Sciences, 2009-06)We establish an interesting link between differential geometry and graph theory by defining submanifolds weakly associated ...
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Tesis Doctoral
Subvariedades slant en s-variedades
(2005-07-15)Las subvariedades slant constituyen un tipo importante de subvariedades, tanto en la Geometría Compleja como en la Geometría ...
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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 L-sectional curvature of S-manifolds
(Düzce Üniversitesi, 2016-04)We investigate L-sectional curvature of S-manifolds with respect to the Riemannian connection and to certain semi-symmetric ...
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Trabajo Fin de Máster
Las trans-S-variedades y la clasificación de Gray-Hervella.
(2017-06)Recently, trans-S manifolds have been defined as a natural generalization of f-Kenmotsu, S-manifolds and C-manifolds. This ...
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Tesis Doctoral
Transversalidad en 2-complejos
(1996)"Si bien el problema de la Transversalidad ha sido ampliamente estudiado en la Teoría de Grafos, los 2-complejos de Euler ...
- Tesis Doctoral
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Trabajo Fin de Grado
Visión Histórica de las Superficies Mínimas
(2023-10-19)Uno de los más interesantes tipos de superficies estudiados en Geometría son las superficies mínimas o minimales, que son ...