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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Estimativas para os autovalores do operador de Dirac / Estimates for the eigenvalues ​​of the Dirac operator

Oslenne Nogueira de Araujo 25 May 2012 (has links)
CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior / Este trabalho tem como objetivo apresentar algumas estimativas para os autovalores do operador de Dirac em variedades Riemannianas Spin compactas com curvatura escalar positiva. Para isto, utilizaremos algumas ferramentas clÃssicas de geometria Riemanniana e algumas de suas propriedades tais como Ãlgebra de Clifford, grupos spin, conexÃes,derivada covariante e operador de Dirac. / The aim of this work is to present some estimates for the eigenvalues of the Dirac operator on compact Riemannian Spin manifolds with positive scalar curvature. For this, we use some tools of classical Riemannian geometry and some of its properties as Clifford algebra, spin groups, connections, covariant derivative and Dirac operator.

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