Mostrando ítems 161-180 de 199

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      Some relationships between intrinsic and extrinsic invariants of submanifolds in generalized S-space-forms 

      Fernández Fernández, Luis Manuel; Fuentes Pino, Ana María (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 

      Ceballos González, Manuel; Towers, David A. (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) 

      Chen, Bang-Yen; Prieto Martín, Alicia; Wang, Xianfeng (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 

      Núñez Valdés, Juan; Prieto Martín, Alicia; Sánchez Canales, Vanesa (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 

      Gayte Delgado, María Inmaculada; Núñez Valdés, Juan (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 

      Muro Jiménez, Fernando (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 

      Muro Jiménez, Fernando (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 

      Núñez Valdés, Juan; Rodríguez Arévalo, María Luisa; Villar Liñán, María Trinidad (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 

      Chávez de Diego, María José; Fernández Bayort, Tomás; Quintero Toscano, Antonio Rafael; Villar Liñán, María Trinidad (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 

      Charatonik, Wlodzimierz J; Fernández Bayort, Tomás; Quintero Toscano, Antonio Rafael (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 

      Ceballos González, Manuel; Núñez Valdés, Juan; Tenorio Villalón, Ángel Francisco (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 

      Boza Prieto, Luis; Fedriani Martel, Eugenio Manuel; Núñez Valdés, Juan (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 

      Núñez Valdés, Juan; Aguilera, Carmen María; Fernández, María Inés; Macías, María José; Montaño, Ana C.; Pérez, Salvador; Rivero, Inmaculada; Romero, María José; Sánchez, José I.; Serrato, Ana María (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 

      Núñez Valdés, Juan; Ruiz Cabello, Serafín (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 

      Echarte Reula, Francisco Javier; Núñez Valdés, Juan; Ramírez López, Francisco (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 

      Núñez Valdés, Juan; Rodríguez Arévalo, María Luisa (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 

      Benjumea Acevedo, Juan Carlos; Echarte Reula, Francisco Javier; Núñez Valdés, Juan; Tenorio Villalón, Ángel Francisco (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 

      Boza Prieto, Luis; Fedriani Martel, Eugenio Manuel; Núñez Valdés, Juan; Pacheco Martínez, Ana María; Villar Liñán, María Trinidad (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 

      Falcón Ganfornina, Raúl Manuel; Núñez Valdés, Juan (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 

      Echarte Reula, Francisco Javier; Márquez García, María del Carmen; Núñez Valdés, Juan (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 ...