1,726,469 research outputs found

    Algebraic generation of Orthogonal Fractional Factorial Designs

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    The joint use of counting functions, Hilbert basis and Markov basis allows us to define a procedure to generate all the fractional factorial designs that satisfy a given set of constraints in terms of orthogonality (Fontana, Pistone and Rogantin (JSPI,2000), Pistone and Rogantin (JSPI, 2008)). The general case of mixed level designs, without restrictions on the number of levels of each factor (such as power of prime number) is studied. The generation problem is reduced to finding positive integer solutions of a linear system of equations (e.g. Carlini and Pistone (JSTP, 2007)). This new methodology has been experimented on some significant classes of fractional factorial designs, including mixed level orthogonal arrays and sudoku designs (Fontana and Rogantin in Algebraic and Geometric Methods in Statistics, CUP (2009)). For smaller cases the complete generating set of all the solutions can be computed. For larger cases we resort to the random generation of a sample solutio

    On Campus Video, featuring Joe Pistone.

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    A videorecording of an interview with Joe Pistone, conducted by Dr. Gary McCaleb of Abilene Christian University

    Témoignage de Madame Danièle Pistone, responsable de Musical Français, Paris IV-Sorbonne

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    Pistone Daniele, Million-Lajoinie Marie-Madeleine. Témoignage de Madame Danièle Pistone, responsable de Musical Français, Paris IV-Sorbonne . In: Diplômées, n°244, 2013. Femmes et Musique. pp. 5-6

    Algebraic Generation of Orthogonal Fractional Factorial Designs

    No full text
    The joint use of counting functions, Hilbert basis, and Markov basis allows to define a procedure to generate all the fractional factorial designs that satisfy a given set of constraints in terms of orthogonality [Fontana, Pistone and Rogantin (JSPI, 2000), Pistone and Rogantin (JSPI, 2008)]. The general case of mixed level designs without restrictions on the number of levels of each factor (such as power of prime number) is studied. The generation problem is reduced to finding positive integer solutions of a linear system of equations [e.g., Carlini and Pistone (JSTP, 2007)]. This new methodology has been experimented on some significant classes of fractional factorial designs, including mixed level orthogonal arrays and sudoku designs [Fontana and Rogantin in Algebraic and Geometric Methods in Statistics, CUP (2009)]. For smaller cases the complete generating set of all the solutions can be computed. For larger cases we resort to the random generation of a sample solutio

    The exponential statistical manifold: mean parameters, orthogonality and space transformations.

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    Let (X,CalX,mu)(X, Cal X, mu) be a measure space, and let CalM(X,CalX,mu)Cal M(X,Cal X,mu) denote the set of the mumu-almost surely strictly positive probability densities. It was shown by G. Pistone and C. Sempi (1995) that the global geometry on CalM(X,CalX,mu)Cal M(X,Cal X,mu) can be realized by an affine atlas whose charts are defined locally by the mappings CalM(X,CalX,mu)supsetCalUpiqmapstolog(q/p)+K(p,q)inBpCal M(X,Cal X,mu)supset Cal U_p i q mapsto log(q/p) + K(p,q)in B_p, where CalUpCal U_p is a suitable open set containing pp, K(p,q)K(p,q) is the Kullback-Leibler relative information and BpB_p is the vector space of centered and exponentially (pcdotmu)(pcdotmu)-integrable random variables. In the present paper we study the transformation of such an atlas and the related manifold structure under basic transformations, that is measurable transformation of the sample space. A generalization of the mixed parameterization method for exponential models is also presented

    The Impact of European Law on the Relations with Third Countries in the Field of Direct Taxes

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    The article is the outcome of the inaugural lecture delivered by the author at the WU Vienna University of Economics and Business as EURYI Awardee for the European Science Foundation and sets the ground for a systematic analysis of the tax issues raised by the European Union Law in relations with third countries in the field of direct taxes. The problems are seen from the perspective of the European Union and of non-EU Member States, taking into account the different issues that arise as a consequence of the presence or absence of international agreements with the European Union. The categorization of third countries developed by the author in the article has been largely accepted by tax scholars in the following years. The article sets the grounds for excellence research carried out for the European Science Foundation and concluded in October 2010 (the content of which has also been published)

    Tax Treaties with Developing Countries: a Plea for New Allocation Rules and a Combined Legal and Economic Approach

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    Chapter of a multidisciplinary international book co-edited by the author in the framework of a large excellence 5ys. project funded by the Austrian Research Fund (Forschungswissenschaftsfonds) on international tax coordination. The author pleads for a combined legal and economic methodology to alter the existing allocation rules in tax treaties with developing countries in order to preserve the international tax policy decisions of the developing countries and enhance international tax justice. The content analyses the criticism to tax sparing clauses, pleading for its reconsideration, and supports a more frequent use of exclusive allocation of taxing powers. The chapter critically reviews the reasons for the current structure tax treaty clauses and proposes for alternative solutions, which the author has also tested when drafting the Model Latin American Tax Convention with an international research group on behalf of the Instituto Latinoamericano de Derecho Tributario (ILADT). The chapter was drafted in the framework of research activities monitoring the development of European tax law for the European Science Foundation as Awardee of the European Young Investigator Award
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