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Cuadros Valle, Jaime
Lope Vicente, Joe Moises (es_ES)
2018-10-04T22:56:18Z (es_ES)
2018-10-04T22:56:18Z (es_ES)
2018 (es_ES)
2018-10-04 (es_ES)
http://hdl.handle.net/20.500.12404/12829
The aim of this thesis is to study in detail the work of S. Kobayashi on the Riemannian geometry on principal S1-bundles. To be more precise, we explain how to obtain metrics with constant scalar curvature on these bundles. The method that we use is based in [18]. The basic idea behind Kobayashi’s construction is to slightly deform the Hopf fibration S1 ‹→ S2n+1 −→ CPn in a such a way that the corresponding sectional curvatures are not far from the produced by the standard metrics on the sphere and the complex projective space on the Hopf fibration. This deformations can be controlled applying the notions of Riemaniann and Kahlerian pinching (see Chapter 3). Furthermore, thanks to a technique developed by Hatakeyama in [14], it is possible to obtain less generic metrics but with a larger set of symmetries on the total space: Sasaki metrics. Actually, If one chooses as a base space a K¨ahler-Einstein manifold with positive scalar curvature one can obtain a Sasaki-Einstein metric. (es_ES)
Tesis (es_ES)
eng (es_ES)
Pontificia Universidad Católica del Perú (es_ES)
info:eu-repo/semantics/openAccess (es_ES)
http://creativecommons.org/licenses/by-nc-nd/2.5/pe/ (*)
Geometría de Riemann (es_ES)
Grupos de Lie (es_ES)
Variedades (Matemáticas) (es_ES)
Curvatura y fibrados principales sobre el círculo (Curvature and principal S 1 -bundles) (es_ES)
info:eu-repo/semantics/masterThesis (es_ES)
Pontificia Universidad Católica del Perú. Escuela de Posgrado (es_ES)
Matemáticas (es_ES)
Maestría (es_ES)
Maestro en Matemáticas (es_ES)
PE (es_ES)
https://purl.org/pe-repo/ocde/ford#1.01.00 (es_ES)
https://purl.org/pe-repo/renati/level#maestro (es_ES)
541137 (es_ES)
http://purl.org/pe-repo/renati/type#tesis (es_ES)
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