510 resultados para Guil unification


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El presente trabajo aborda la unificación del gremio cañero tucumano en los orígenes del peronismo. Los cañeros tucumanos cuentan con una larga tradición asociativa que se inicia a finales del siglo XIX con la modernización de la agroindustria azucarera, con la particularidad de la coexistencia de varias asociaciones gremiales surgidas como consecuencia de las recurrentes crisis del sector y de disputas intersectoriales. De esta forma, en este trabajo analizaremos el proceso por el cual el gremio cañero abandonó su tradición asociativa disgregada para dar lugar a la conformación de un gremio unificado, denominado Unión de Cañeros Independientes de Tucumán

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El presente trabajo aborda la unificación del gremio cañero tucumano en los orígenes del peronismo. Los cañeros tucumanos cuentan con una larga tradición asociativa que se inicia a finales del siglo XIX con la modernización de la agroindustria azucarera, con la particularidad de la coexistencia de varias asociaciones gremiales surgidas como consecuencia de las recurrentes crisis del sector y de disputas intersectoriales. De esta forma, en este trabajo analizaremos el proceso por el cual el gremio cañero abandonó su tradición asociativa disgregada para dar lugar a la conformación de un gremio unificado, denominado Unión de Cañeros Independientes de Tucumán

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Resumo:

El presente trabajo aborda la unificación del gremio cañero tucumano en los orígenes del peronismo. Los cañeros tucumanos cuentan con una larga tradición asociativa que se inicia a finales del siglo XIX con la modernización de la agroindustria azucarera, con la particularidad de la coexistencia de varias asociaciones gremiales surgidas como consecuencia de las recurrentes crisis del sector y de disputas intersectoriales. De esta forma, en este trabajo analizaremos el proceso por el cual el gremio cañero abandonó su tradición asociativa disgregada para dar lugar a la conformación de un gremio unificado, denominado Unión de Cañeros Independientes de Tucumán

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Qu-Prolog is an extension of Prolog which performs meta-level computations over object languages, such as predicate calculi and lambda-calculi, which have object-level variables, and quantifier or binding symbols creating local scopes for those variables. As in Prolog, the instantiable (meta-level) variables of Qu-Prolog range over object-level terms, and in addition other Qu-Prolog syntax denotes the various components of the object-level syntax, including object-level variables. Further, the meta-level operation of substitution into object-level terms is directly represented by appropriate Qu-Prolog syntax. Again as in Prolog, the driving mechanism in Qu-Prolog computation is a form of unification, but this is substantially more complex than for Prolog because of Qu-Prolog's greater generality, and especially because substitution operations are evaluated during unification. In this paper, the Qu-Prolog unification algorithm is specified, formalised and proved correct. Further, the analysis of the algorithm is carried out in a frame-work which straightforwardly allows the 'completeness' of the algorithm to be proved: though fully explicit answers to unification problems are not always provided, no information is lost in the unification process.

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The idea of grand unification in a minimal supersymmetric SU(5) x SU(5) framework is revisited. It is shown that the unification of gauge couplings into a unique coupling constant can be achieved at a high-energy scale compatible with proton decay constraints. This requires the addition of minimal particle content at intermediate energy scales. In particular, the introduction of the SU(2)(L) triplets belonging to the (15, 1)+((15) over bar, 1) representations, as well as of the scalar triplet Sigma(3) and octet Sigma(8) in the (24, 1) representation, turns out to be crucial for unification. The masses of these intermediate particles can vary over a wide range, and even lie in the TeV region. In contrast, the exotic vector-like fermions must be heavy enough and have masses above 10(10) GeV. We also show that, if the SU(5) x SU(5) theory is embedded into a heterotic string scenario, it is not possible to achieve gauge coupling unification with gravity at the perturbative string scale.

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We look for minimal chiral sets of fermions beyond the standard model that are anomaly free and, simultaneously, vectorlike particles with respect to color SU(3) and electromagnetic U(1). We then study whether the addition of such particles to the standard model particle content allows for the unification of gauge couplings at a high energy scale, above 5.0 x 10(15) GeV so as to be safely consistent with proton decay bounds. The possibility to have unification at the string scale is also considered. Inspired in grand unified theories, we also search for minimal chiral fermion sets that belong to SU(5) multiplets, restricted to representations up to dimension 50. It is shown that, in various cases, it is possible to achieve gauge unification provided that some of the extra fermions decouple at relatively high intermediate scales.