Listar Artículos (Geometría y Topología) por título
Mostrando ítems 120-139 de 199
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Minimal covers of open manifolds with half-spaces and the proper L-S category of product spaces
(Belgian Mathematical Society, 2002-09)Classical results about the Lusternik-Schnirelmann category of product spaces have their analogues in the category of ...
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Minimal faithful upper-triangular matrix representations for solvable Lie algebras
(Elsevier, 2017-07)A well-known result on Lie Theory states that every finite-dimensional complex solvable Lie algebra can be represented ...
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Minimal linear representations of the low-dimensional nilpotent lie algebras
(2008)The main goal of this paper is to compute a minimal matrix representation for each non-isomorphic nilpotent Lie algebra ...
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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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Morse–Bott theory on posets and a homological Lusternik–Schnirelmann theorem
(World Scientific Publishing Company, 2021)We develop Morse–Bott theory on posets, generalizing both discrete Morse–Bott theory for regular complexes and Morse ...
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Las mujeres en la escuela pitagórica
(Sociedad Argentina de Educación Matemática, 2011-05)En este artículo se comenta la obra matemática de las mujeres que formaban parte de la Escuela Pitagórica entre los años ...
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Mujeres pioneras de la Matemática española
(Universidad de Almería, 2012-10-26)En este artículo se muestran las biografías de dos mujeres españolas nacidas con bastante anterioridad al siglo en el que ...
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New examples of generalized Sasakian-space-forms
(Università di Torino, 2015)In this paper we study when a non-anti-invariant slant submanifold of a generalized Sasakian-space-form inherits such a ...
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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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Normal approximations of regular curves and surfaces
(Faculty of Sciences and Mathematics, University of Nis, Serbia, 2015)Bezier curves and surfaces are two very useful tools in Geometric Modeling, with many applications. In this paper, we will ...
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Null pseudo-isotropic Lagrangian surfaces
(Polish Academy of Sciences, Institute of Mathematics, 2017)In this paper we will show that a Lagrangian, Lorentzian surface M 2 1 in a complex pseudo space form Mf2 1 (4c) is ...
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Nullification and cellularization of classifying spaces of finite groups
(American Mathematical Society, 2007-04)In this note we discuss the effect of the BZ/p-nullification PBZ/p and the BZ/p-cellularization CWBZ/p over classifying ...
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Nullification functors and the homotopy type of the classifying space for proper bundles
(Mathematical Sciences Publishers, 2005-09)Let G be a discrete group for which the classifying space for proper G-actions is finite-dimensional. We find a space W ...
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On abelian subalgebras and ideals of maximal dimension in supersolvable Lie algebras
(Elsevier, 2014-02)In this paper, the main objective is to compare the abelian subalgebras and ideals of maximal dimension for finite-dimensional ...
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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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On localizations of quasi-simple groups with given countable center
(EMS Press, 2020-10-22)A group homomorphism � : � → � i:H→G is a localization of � H, if for every homomorphism � : � → � φ:H→G ...
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On manifolds with nonhomogeneous factors
(Springer, 2012-06)We present simple examples of finite-dimensional connected homogeneous spaces (they are actually topological manifolds) ...
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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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On slant submanifolds of neutral Kaehler manifolds
(Mathematical Society of the Republic of China, 2010-04)An indefinite Riemannian manifold is called neutral it its index is equal to one half of its dimension and an indefinite ...
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On the classifying space for proper actions of groups with cyclic torsion
(De Gruyter, 2014-01)In this paper we introduce a common framework for describing the topological part of the Baum-Connes conjecture for a ...