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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

O número graduado de Betti

Rezende, José Éverton de Jesus 12 December 2013 (has links)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / This dissertation aims at a detailed study of the Hilbert function and graded Betti number and the statements of some theorems that relate these two theories. We will also a brief overview on free resolutions and minimal simplicial complex to demonstrate the theorem of Bayer, Sturmfels and Peeva and then, we will conclude with the following result: given an ideal J we will display a set X P2 such that the minimal resolution the ideal of de nition of X has the same Betti diagram of the minimal resolution of J. / Esta disserta¸c˜ao tem como objetivo um estudo detalhado da fun¸c˜ao de Hilbert e do n´umero graduado de Betti e as demonstra¸c˜oes de alguns teoremas que relacionam essas duas teorias. Faremos tamb´em um breve apanhado sobre resolu¸c˜oes livres minimais e complexo simplicial para demonstrar o teorema de Bayer, Peeva e Sturmfels e por fim e n˜ao menos importante concluiremos com o seguinte resultado: dado um ideal J exibiremos um conjunto X P2 tal que a resolu¸c˜ao minimal do ideal de defini¸c˜ao de X tenha o mesmo diagrama de Betti da resolu¸c˜ao minimal de J.

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