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Search Results: 1 - 10 of 289 matches for " Toral "
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Globalización y modernización de la educación en los Institutos Tecnológicos Federales
Raquel Toral
Odiseo : Revista Electrónica de Pedagogía , 2003,
Abstract: Sostener que lo único que se necesita para ense ar es acción y experiencia es gran error y refleja una comprensión limitada de la ense anza emancipatoria y de la transformación social por parte de los maestros. La reflexión meditativa permite poner en cuestionamiento nuestra relación con el mundo tecnológico, nos separa de él y permite ubicar sus alcances y limitaciones. Sólo así los maestros podrán romper con las barreras de la mecanización del proceso ense anza aprendizaje, confundido generalmente con experiencia.
Calidad de la educación
Raquel Toral
Odiseo : Revista Electrónica de Pedagogía , 2003,
Abstract: En México, se acaba de firmar el Compromiso Social por la calidad de la educación por el que se pretende "dar impulso a un proceso de amplia participación de la sociedad ..." Por qué ese afán de comprometer a la sociedad? (...) Si no nos queda claro que las políticas educativas hoy día provienen de intereses internacionales que tienen una intención muy definida para los países periféricos, nos resultará difícil comprender cuál es nuestra función como educadores.
Reír con Neruda
Mario Toral
Atenea , 2004,
Demencia senil
Mario Toral
Atenea , 2005,
The volume enclosed by an n-dimensional Lamé curve
Raul Toral
Physics , 2009,
Abstract: We compute the volume of the body enclosed by the $n$-dimensional Lam\'e curve defined by $\sum_{i=1}^nx_i^b= E$.
On the nonextensivity of the long range X-Y model
Raul Toral
Physics , 2003, DOI: 10.1023/B:JOSS.0000013963.16180.a3
Abstract: It will be given analytical and numerical evidence supporting that the X-Y model yields an extensive, i.e. proportional to the number of degrees of freedom N, internal energy U for any value of the interaction range.
Ensemble equivalence for non-Bolztmannian distributions
Raul Toral
Physics , 2004,
Abstract: We discuss the possibility of using generalized canonical distributions, i.e. using other factors than $\exp(-\beta E)$, in order to compute the equilibrium properties of physical systems. It will be show that some other choices can, in certain cases, lead to a simpler calculation of those properties. The corresponding equivalence between the canonical and the generalized canonical distributions is derived using well-known principles of Statistical Mechanics and we exemplify the method by deriving in a simple way the equilibrium properties of the long--range Ising model.
Capital Redistribution Brings Wealth by Parrondo's Paradox
Raul Toral
Physics , 2002,
Abstract: We present new versions of the Parrondo's paradox by which a losing game can be turned into winning by including a mechanism that allows redistribution of the capital amongst an ensemble of players. This shows that, for this particular class of games, redistribution of the capital is beneficial for everybody. The same conclusion arises when the redistribution goes from the richer players to the poorer.
Mechanical Design of Superconducting Accelerator Magnets
Fernando Toral
Physics , 2015, DOI: 10.5170/CERN-2014-005.293
Abstract: This paper is about the mechanical design of superconducting accelerator magnets. First, we give a brief review of the basic concepts and terms. In the following sections, we describe the particularities of the mechanical design of different types of superconducting accelerator magnets: solenoids, cos-theta, superferric, and toroids. Special attention is given to the pre-stress principle, which aims to avoid the appearance of tensile stresses in the superconducting coils. A case study on a compact superconducting cyclotron summarizes the main steps and the guidelines that should be followed for a proper mechanical design. Finally, we present some remarks on the measurement techniques.
On the definition of physical temperature and pressure for nonextensive thermostatistics
R. Toral
Physics , 2001,
Abstract: It is shown that a recent proposal to give physically meaningful definitions of temperature and pressure within Tsallis formalism for non-extensive thermostatistics leads to expressions which coincide with those obtained by using the standard Boltzmann formalism of Statistical Mechanics.
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