996 resultados para capitulo PHI Xi


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Este documento recoge contribuciones de las ministras y autoridades de los mecanismos para el adelanto de la mujer de América Latina y el Caribe, que definieron su contenido en la cuadragésima tercera reunión de la Mesa Directiva de la Conferencia Regional sobre la Mujer de América Latina y el Caribe (Puerto España, 7 y 8 de julio de 2009), y que enviaron documentos e información para su preparación y enriquecieron su versión final con aportes y debates en dos foros virtuales. En este informe se integran los avances del Observatorio de igualdad de género de América Latina y el Caribe y se da cuenta del trabajo realizado durante sus dos primeros años de funcionamiento, con énfasis en la autonomía económica de las mujeres.

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Este documento es parte del informe anual de la CEPAL que cubre el período comprendido entre el 15 de febrero de 1964 y el 17 de mayo de 1965. Fue publicado como documento oficial del Consejo Economico y Social de las Naciones Unidas, 39o. período de sesiones, Suplemento No. 4 (E/4032/Rev.l y E/CN.12/731/Rev.2).

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Includes bibliography

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Documentos en español, inglés y/o portugués

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The Economic Commission for Latin America and the Caribbean (ECLAC) Subregional Headquarters for the Caribbean/secretariat for the Caribbean Development and Cooperation Committee (CDCC) takes pleasure in presenting the tenth volume of the Major Statistical Publications – Abstracts. This publication is a one stop for information on all statistical publications currently produced and/or in circulation by all ECLAC/CDCC member countries.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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We analyze the premises of recent propositions to test local realism via the Bell inequalities using neutral kaons from φ resonance decays as entangled Einstein-Podolsky-Rosen pairs. We pay special attention to the derivation of the Bell inequalities, or related expressions, for unstable and oscillating kaon quasispin states and to the possibility of the actual identification of these states through their associated decay modes. We discuss an indirect method to extract probabilities to find these states by combining experimental information with theoretical input. However, we still find inconsistencies in previous derivations of the Bell inequalities. We show that the identification of the quasispin states via their associated decay mode does not allow the free choice to perform different tests on them, a property which is crucial to establish the validity of any Bell inequality in the context of local realism. In view of this we propose a different kind of Bell inequality in which the free choice or adjustability of the experimental setup is guaranteed. We also show that the proposed inequalities are violated by quantum mechanics. ©1999 The American Physical Society.

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Using 2-body trees on a flat space background, it is shown that the actions A[g, φ] = (Latin small letter esh) d4x√-g [(R/2K) + (1/2)(gμν ∂μφ∂νφ + λRφ2)] and Ā[ḡ, φ̄] = (Latin small letter esh) d4x√ - ḡ [(R̄/2k) + (1/2) ḡμν∂μφ̄∂ νφ] describe the same theory at the tree-level in this case. We also demonstrate the quantum equivalence (at one-loop) of the barred and unbarred systems for λ == -1/6 (conformal coupling).

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A previous communication [1] described the preparation of the double selenates of lanthanum and the alkali metals; the La-Li compound has the formula La2(SeO4)3 · Li2SeO4 · 8H2O. Subsequent reports [2-4] have shown that it was not possible to prepare the Ce-Li, Pr-Li, Nd-Li and Sm-Li double selenates, using the same method [1]. It was possible to isolate the double selenates of all the cerie group lanthanides and lithium not previously described and, also, a La-Li double selenate having a different stoichiometry, using a modified preparation technique. © 1990.

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In this paper we present a method for evaluating the center density of algebraic lattices from subfields of Q(xi n), where n is a positive integer. This method allows to reproduce rotated versions of dense lattices in some dimensions. Constellations on algebraic lattices with high packing density have been proposed for use in communications in Gaussian channels and also in Rayleigh fading channels in case they have high diversity.