Flat circle bundles, pullbacks, and the circle made discrete

John Oprea and Daniel Tanré

International Journal of Mathematics and Mathematical Sciences, 2005, vol. 2005, 1-9

Abstract:

We use basic homotopical methods applied to Lie groups made discrete to prove that the real Euler class of a circle bundle vanishes if and only if the bundle is flat.

Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:384804

DOI: 10.1155/IJMMS.2005.3487

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