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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

Generalização da sequência curta de Fadell-Neuwirth para os grupos de tranças de superfícies

Dutra, Éderson Ricardo Frühling 17 February 2014 (has links)
Made available in DSpace on 2016-06-02T20:28:28Z (GMT). No. of bitstreams: 1 5732.pdf: 1059800 bytes, checksum: a4fa7cf628d2d2c3153dbc90e012e100 (MD5) Previous issue date: 2014-02-17 / Universidade Federal de Minas Gerais / The objective of this work is to study the braid groups on topological surfaces as well as studying a generalization of the Fadell-Neuwirth short exact sequence. We treated also the existence of a cross-section for the Fadell-Neuwirth s generalized fibration, in particular, we are concerned in the case when the surface is equal the sphere S2. / O objetivo deste trabalho é estudar os grupos de tranças de uma superfície topológica e a generalização da sequência exata curta de Fadell-Neuwirth. Tratamos também da existência de uma secção geométrica e algébrica para a fibração de Fadell-Neuwirth generalizada, em particular, consideraremos o caso em que a superfície é a esfera S2.

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