999 resultados para Non-domination


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L’idéal républicain de la liberté comme non-domination promu par P. Pettit possède un potentiel intéressant pour penser l’évolution de l’internationalisme. Cet article examine l’enjeu éthique et politique de l’application institutionnelle de la liberté comme non-domination à l’échelle supranationale. Il discute en particulier la thèse de J. Bohman, qui a récemment proposé une interprétation délibérative et cosmopolitique de la conception de la liberté républicaine. Mais le passage de la citoyenneté démocratique nationale à la citoyenneté cosmopolitique, tel que défendu par Bohman, nous semble reposer sur des conceptions trop exigeantes et compréhensives de l’impartialité et de la démocratie. En nous appuyant sur les travaux socio-historiques de S. Sassen et de C. Tilly, nous soutenons que des idéaux normatifs moins exigeants de l’impartialité et de la démocratie gagneraient en réalisme sociologique et en correspondance avec les mécanismes actuellement impliqués dans l’évolution de la coopération internationale et dans la démocratisation des sociétés.

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Mémoire numérisé par la Division de la gestion de documents et des archives de l'Université de Montréal

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We present a homological characterisation of those chain complexes of modules over a Laurent polynomial ring in several indeterminates which are finitely dominated over the ground ring (that is, are a retract up to homotopy of a bounded complex of finitely generated free modules). The main tools, which we develop in the paper, are a non-standard totalisation construction for multi-complexes based on truncated products, and a high-dimensional mapping torus construction employing a theory of cubical diagrams that commute up to specified coherent homotopies.

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Thèse réalisée en cotutelle avec l'Université catholique de Louvain

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In this paper, we study the domination number, the global dom ination number, the cographic domination number, the global co graphic domination number and the independent domination number of all the graph products which are non-complete extended p-sums (NEPS) of two graphs.

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Hospital acquired infections (HAI) are costly but many are avoidable. Evaluating prevention programmes requires data on their costs and benefits. Estimating the actual costs of HAI (a measure of the cost savings due to prevention) is difficult as HAI changes cost by extending patient length of stay, yet, length of stay is a major risk factor for HAI. This endogeneity bias can confound attempts to measure accurately the cost of HAI. We propose a two-stage instrumental variables estimation strategy that explicitly controls for the endogeneity between risk of HAI and length of stay. We find that a 10% reduction in ex ante risk of HAI results in an expected savings of £693 ($US 984).

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In this paper, a singularly perturbed ordinary differential equation with non-smooth data is considered. The numerical method is generated by means of a Petrov-Galerkin finite element method with the piecewise-exponential test function and the piecewise-linear trial function. At the discontinuous point of the coefficient, a special technique is used. The method is shown to be first-order accurate and singular perturbation parameter uniform convergence. Finally, numerical results are presented, which are in agreement with theoretical results.