Artículos (Geometría y Topología): Envíos recientes
Mostrando ítems 161-180 de 199
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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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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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Lagrangian submanifolds in complex space forms satisfying an improved equality involving δ(2,2)
(Institutum Mathematicum Universitatis Debreceniesis, 2013)It was proved in [8, 9] that every Lagrangian submanifold M of a complex space form M˜ 5 (4c) of constant holomorphic ...
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Un paseo fotográfico por la vida de Sophus Lie
(Sociedad Colombiana de Matemáticas, 2010)It is quite a lot scarce the literature on the Norwegian mathematician Sophus Lie, in spite of being him, as the great ...
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Matemáticos y matemáticas solidarios
(Sociedad Canaria "Isaac Newton" de Profesores de Matemáticas, 2011-03)El objetivo principal de este artículo es el de volver a plantear, esta vez ante un foro de mayor difusión, una propuesta ...
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Representation theory of some infinite-dimensional algebras arising in continuously controlled algebra and topology
(Springer, 2004)In this paper we determine the representation type of some algebras of infinite matrices continuously controlled at infinity ...
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On the functoriality of cohomology of categories
(Elsevier, 2006-03)In this paper we show that the Baues-Wirsching complex used to define cohomology of categories is a 2-functor from a certain ...
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Certain particular families of graphicable algebras
(Elsevier, 2014-11-01)In this paper, we introduce some particular families of graphicable algebras obtained by following a relatively new line ...
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On the topology of locally 2-connected Peano continua
(Rocky Mountain Mathematics Consortium, 2012)Several recent results by Thomassen ([23 The locally connected compatc metric spaces embeddable in the plane, Combinatorica ...
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On the Freudenthal extensions of proper confluent maps
(University of Houston, 2012)In this paper we study when Freudenthal extensions of proper maps preserve the (weak, semi) confluency. Also the extensions to the Alexandroff one-point compactificaton are considered.
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The computation of Abelian subalgebras in low-dimensional solvable Lie algebras
(World Scientific and Engineering Academy and Society (WSEAS), 2010-01)The main goal of this paper is to compute the maximal abelian dimension of each solvable nondecomposable Lie algebra of ...
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Consequences of some outerplanarity extensions
(Rocky Mountain Mathematics Consortium, 2012)In this expository paper we revise some extensions of Kuratowski planarity criterion, providing a link between the embeddings ...
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Exposición de curvas y superficies: una experiencia extraacadémica universitaria
(Asociación de Profesores de Matemáticas de Andalucía, 2001-02)En este artículo se comenta una experiencia extraacadémica realizada por un grupo de alumnos universitarios de Matemáticas, ...
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Cabalgando con las matemáticas
(Federacion Española de Sociedades de Profesores de Matemáticas, 2010-06)En este artículo se sugiere la posibilidad de introducir el tema de Combinatoria en las Matemáticas de Secundaria o ...
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Description of some families of filiform Lie algebras
(University of Houston, 2008)In this paper we describe some families of filiform Lie algebras by giving a method which allows to obtain them in any ...
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Una propuesta para utilizar la Historia de las Matemáticas en las clases de Primaria y Secundaria
(Asociación de Profesores de Matemáticas de Andalucía, 2012)En este artículo, los autores proponen a los profesores de Matemáticas, principalmente de 5º y 6º de Primaria y 1º de ...
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Simply connected lie subgroups of the unipotent Lie group of order 4
(Soochow University, Department of Mathematics, 2006-04)In this paper we obtain simply connected Lie subgroups (up to isomorphism) of the Lie group G4 of upper triangular matrices ...
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Directed pseudo-graphs and Lie algebras over finite fields
(Institute of Mathematics, Czech Academy of Sciences, 2014-03)The main goal of this paper is to show an application of Graph Theory to classifying Lie algebras over finite fields. It ...
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Isorings and related isostructures
(Zanichetti, 2005)Lo scopo principale di questo articolo è dare una fondazione matematica, seria e costante a delle parti dell’isoteoria di ...
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A constructive method to determine the variety of filiform Lie algebras
(Institute of Mathematics, Czech Academy of Sciences, 2006-12)In this paper we use cohomology of Lie algebras to study the variety of laws associated with filiform Lie algebras of a ...