2,271 research outputs found

    PIERCING THE CORPORATE VEIL IN BRAZILIAN, CANADIAN, AND SPANISH CIVIL LAW

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    This research focuses on the Brazilian regulation of veil piercing, making a functional comparison with the regulation of the subject in the Canadian (QuƩbec) and Spanish civil law systems. After briefly introducing the Brazilian problem, we present the reasons for the intended comparison and the procedure adopted. The following axes of the procedure for veil piercing were compared: (i) degree of legislative regulation, (ii) exceptionality of its application, (iii) the need for specific intent, (iv) the subsidiarity of the patrimonial liability of the partners, (v) the criterion and degree of liability of the partners subject to the piercing of the corporate veil, and (vi) the repercussions on group relations. Partial considerations were performed sequentially to the exposure of the base scenario of each regulatory axis, aiming to facilitate the analysis of the results by other researchers

    First Massive State of the Superstring in Superspace

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    Using the manifestly spacetime supersymmetric description of the four-dimensional open superstring, we construct the vertex operator in superspace for the first massive state. This construction provides an N=1 D=4 superspace representation of the massive spin-2 multiplet.Comment: 7 pages late

    Integral equations of scattering in one dimension

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    A self-contained discussion of integral equations of scattering is presented in the case of centrally-symmetric potentials in one dimension, which will facilitate the understanding of more complex scattering integral equations in two and three dimensions. The present discussion illustrates in a simple fashion the concept of partial-wave decomposition, Green's function, Lippmann-Schwinger integral equations of scattering for wave function and transition operator, optical theorem and unitarity relation. We illustrate the present approach with a Dirac delta potential.Comment: 12 pages, accepted in American Journal of Physic

    A contribuiĆ§Ć£o das tecnologias da informaĆ§Ć£o e comunicaĆ§Ć£o na formaĆ§Ć£o continuada de professores: um estudo de caso em um curso de especializaĆ§Ć£o no ensino de QuĆ­mica

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    Esta pesquisa teve como objetivo avaliar a contribuiĆ§Ć£o da disciplina de InformĆ”tica Aplicada ao Ensino de QuĆ­mica, na formaĆ§Ć£o de professores de quĆ­mica, realizada durante um semestre, no curso de especializaĆ§Ć£o no ensino de quĆ­mica na Faculdade de FormaĆ§Ć£o de Professores da Mata Sul,em Pernambuco-Brasil. Inicialmente, os professores discutiram sobre algumas teorias voltadas a utilizaĆ§Ć£o das TIC na educaĆ§Ć£o, posteriormente manusearam algumas ferramentas das TIC, identificando as possibilidades de seus usos em sala de aula. Ao final da disciplina responderam ao questionĆ”rio de avaliaĆ§Ć£o proposto. Os resultados reforƧam a percepĆ§Ć£o de que a incorporaĆ§Ć£o de disciplinas em cursos de formaĆ§Ć£o de professores, voltadas para a capacitaĆ§Ć£o no uso das TIC em sala de aula, pode contribuir sobremaneira para um processo de ensino e aprendizagem mais atrativo, amplo e flexĆ­vel
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