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Doctoral Thesis
DOI
https://doi.org/10.11606/T.55.2006.tde-27092006-103925
Document
Author
Full name
Esdras Teixeira Costa
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2006
Supervisor
Committee
Spreafico, Mauro Flávio (President)
Biasi, Carlos
Libardi, Alice Kimie Miwa
Negreiros, Caio Jose Colletti
Vendruscolo, Daniel
Title in Portuguese
Fibrados vetoriais sobre "spherical space forms" tridimensionais
Abstract in Portuguese
Neste trabalho consideramos o problema de enumerar G-fibrados sobre variedades de dimensão baixa (menor ou igual a 3), em particular fibrados vetoriais sobre as ?spherical space forms? tridimensionais. É dada uma resposta completa para estas questões e na seção 5.1 são colocadas tabelas que explicitam os possíveis fibrados vetoriais sobre as ?spherical space forms?. Este tipo de problema é recorrente em topologia algébrica e por motivos dados pela teoria de homotopia, é preciso calcular certos invariantes algébricos com sistemas de coeficientes locais, o que torna o problema mais interessante. Mostramos ainda que sobre condições consideravelmente abrangentes no grupo estrutural G, os G-fibrados sobre variedades de dimensão menor ou igual a três podem ser enumerados de maneira efetiva
Title in English
Vector bundles over tridimensional spherical space forms
Keywords in English
Cohomology
Fiber bundles
Local coefficients
Abstract in English
In this work we consider the problem of enumerating G-bundles over low dimensional manifolds (dimension · 3) and in particular vector bundles over the three dimensional ?spherical space forms?. We give a complete answer to these questions and in section 5.1 we give tables for the possible vector bundles over the ?spherical space forms?. We deal with the problem of enumerating vector bundles over a class of manifolds. This is a long standing classical problem in algebraic topology, and because of homotopy theoretical reasons, it implies calculations of algebraic invariants with local system of coefficients, and thus becomes a cumbersome target away from the trivial occurrences. Although, we show that, under reasonably wide assumptions on the structure group G, G-bundles over low (lower or equal to three) dimensional manifolds can be counted effectively
 
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tese.pdf (1.14 Mbytes)
Publishing Date
2006-09-30
 
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