122 resultados para Michel Foucault. Sociology. Domination. Power. Social theory. Subject
Resumo:
In this work we show how to define the action of a scalar field such that the Robin boundary condition is implemented dynamically, i.e. as a consequence of the stationary action principle. We discuss the quantization of that system via functional integration. Using this formalism, we derive an expression for the Casimir energy of a massless scalar field under Robin boundary conditions on a pair of parallel plates, characterized by constants c(1) and c(2). Some special cases are discussed; in particular, we show that for some values of cl and c(2) the Casimir energy as a function of the distance between the plates presents a minimum. We also discuss the renormalization at one-loop order of the two-point Green function in the philambda(4) theory subject to the Robin boundary condition on a plate.
Resumo:
The affirmative action issue has split the public opinion and heated up the academic debate. While some experts and black activists see the affirmatives actions as a way to fight racism, since the positive discrimination could help the historically underprivileged to create and empower a positive identity, others see such measures as a dangerous attack against the traditional brazilian way of dealing with human differences. The latter fear that such policies may unleash racial conflicts. Although both sides barely explain what they mean for racism and how they understand that social phenomenon, it is possible to discern in those discourses different lines of argument, which can be related to different theoretical orientations about the analysis of such concepts as race and color.
Resumo:
The Space Vector PWM implementation and operation for a Four-leg Voltage Source Inverter (VSI) is detailed and discussed in this paper. Although less common, four-leg VSIs are a viable solution for situations where neutral connection is necessary, including Active Power Filter applications. This topology presents advantages regarding the VSI DC link and capacitance, which make it useful for high power devices. Theory, implementation and simulations are also discussed in this paper. © 2011 IEEE.
Resumo:
Pós-graduação em Ciências Sociais - FFC
Resumo:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Resumo:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Resumo:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Resumo:
Pós-graduação em Estudos Linguísticos - IBILCE
Resumo:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Resumo:
Pós-graduação em Ciências da Motricidade - IBRC
Resumo:
Pós-graduação em Ciências Sociais - FFC
Resumo:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Resumo:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Resumo:
Pós-graduação em Educação - FFC
Resumo:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)