Browsing Artículos (Geometría y Topología) by Title
Now showing items 152-171 of 198
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¿Perderse en un laberinto? No con las matemáticas
(Federación Iberoamericana de Sociedades de Educación Matemática, 2010-03)En este artículo se sugiere la posibilidad de introducir algunos temas de las Matemáticas de Secundaria o Bachillerato, ...
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Planteando problemas de forma poética
(Federación Iberoamericana de Sociedades de Educación Matemática, 2012-03)En este artículo se plantea la posibilidad de que el profesor de Matemáticas de Secundaria y Bachillerato utilice la poesía ...
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Polynomial braid combing
(Oxford University Press, 2018)We prove that, for n ≥ 3, the minimal dimension of a model of the classifying space of the braid group Bn, and of the pure braid group Pn, with respect to the family of virtually cyclic groups is n.
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Proper 2–equivalences between infinite ended finitely presented groups
(Mathematical Sciences Publishers, 2023-03-27)Recall that two finitely presented groups G and H are “proper 2–equivalent” if they can be realized by finite 2–dimensional ...
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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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Pyramidal values
(Springer, 2014-06)We propose and analyze a new type of values for cooperative TU-games, which we call pyramidal values. Assuming that the ...
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Quasi-isometries and proper homotopy: The quasi-isometry invariance of proper 3-realizability of groups
(American Mathematical Society, 2019-04-01)We recall that a finitely presented group G is properly 3-realizable if for some finite 2-dimensional CW-complex X with ...
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Relating the Freiheitssatz to the asymptotic behavior of a group
(European Mathematical Society, 2013)We are concerned with the implications of the Freiheitssatz property for certain group presentations in terms of proper ...
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Relations between combinatorial structures and Lie algebras: centers and derived Lie algebras
(Springer, 2015-04)In this paper, we study how two important ideals of a given Lie algebra g (namely, the center Z(g) and the derived Lie ...
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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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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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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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Santilli autotopisms of partial groups
(Science Publishing Group, 2015-10)This paper deals with those partial groups that contain a given Santilli isotopism in their autotopism group. A classification of these autotopisms is explicitly determined for partial groups of order n ≤ 4.
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Sasaki-Einstein and paraSasaki-Einstein metrics from (κ,μ)-structures
(Elsevier, 2013-11)We prove that every contact metric (κ, µ)-space admits a canonical η-Einstein Sasakian or η-Einstein paraSasakian metric. ...
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¿Se puede mejorar la enseñanza de las Matemáticas en cualquiera de sus niveles?
(Universidad Politécnica de Madrid, 2012-10)Los autores piensan que es perfectamente factible mejorar la enseñanza de las Matemáticas en cualquiera de sus niveles ...
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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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Siete puentes, un camino: Königsberg
(Federacion Española de Sociedades de Profesores de Matemáticas, 2004-02)En este trabajo se presenta el problema de los puentes de Konigsberg, resuelto por Leonhard Euler, en 1735, como herramienta ...
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Simplicial Lusternik-Schnirelmann category
(Universidad Autónoma de Barcelona, 2019-01-01)The simplicial LS-category of a nite abstract simplicial complex is a new invariant of the strong homotopy type, de ned ...
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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 ...