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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.
11

Uma construção alternativa para o funtor de Happel

Lima, Maria Elismara de Sousa 23 February 2018 (has links)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / The aim of this dissertation is to present a simpli cation of the proof of the following result obtained rst by Happel in [3]: If A is a nite-dimensional algebra over a eld algebraically closed K, then there is a triangulated, full and faithful functor of triangulated categories H : Db(modA) ! modA^, where A^ is the repetitive algebra obtained from A, which is also dense if A is of nite global dimension. We begin with a succinct presentation of the categorical language, approaching in general terms on the localization of categories, triangulated categories and their localizations, and nally derived categories, which are localized and triangulated categories. We also introduce the stable category of modules of a repetitive algebra A^. In the last chapter, we demonstrate the main result with the help of a result found in [8], in addition to the previously mentioned concepts. / O objetivo dessa disserta c~ao e trazer uma simpli ca c~ao da demonstra c~ao do seguinte resultado obtido primeiramente por Happel [3]: Se A e uma K- algebra de dimens~ao nita, ent~ao existe um funtor pleno, el e triangulado H : Db(modA) ! modA^, onde A^ e a a lgebra repetitiva obtida de A, que e tamb em denso se A e de dimensa~o global nita. Iniciamos com uma apresenta c~ao sucinta da linguagem categ orica, abordando de maneira geral sobre localiza c~ao de categorias, categorias trianguladas e suas localiza c~oes, e nalmente categorias derivadas, que s~ao categorias localizadas e trianguladas. Tamb em introduzimos a categoria est avel de m odulos da algebra repetitiva de A. No ultimo cap tulo, demonstramos o resultado principal com o aux lio de um resultado encontrado em [8], al em dos conceitos citados anteriormente. / São Cristóvão, SE
12

Semantica algebrica de traduções possiveis

Bueno-Soler, Juliana, 1976- 31 August 2004 (has links)
Orientadores: Marcelo Esteban Coniglio, Carlos Caleiro / Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Filosofia e Ciencias Humanas / Made available in DSpace on 2018-08-04T00:28:23Z (GMT). No. of bitstreams: 1 Bueno-Soler_Juliana_M.pdf: 944055 bytes, checksum: 560404307eedeebf3b45f7ca82f30d78 (MD5) Previous issue date: 2004 / Mestrado / Filosofia / Mestre em Filosofia

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