On the integration of transitive Lie algebroids

We revisit the problem of integrating Lie algebroids \(A\Rightarrow M\) to Lie groupoids \(G\rightrightarrows M\), for the special case that the Lie algebroid \(A\) is transitive. We obtain a geometric explanation of the Crainic-Fernandes obstructions for this situation, and an explicit construction...

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Bibliographic Details
Published in:arXiv.org 2021-05
Main Author: Meinrenken, Eckhard
Format: Article
Language:English
Subjects:
Obstructions
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Summary:We revisit the problem of integrating Lie algebroids \(A\Rightarrow M\) to Lie groupoids \(G\rightrightarrows M\), for the special case that the Lie algebroid \(A\) is transitive. We obtain a geometric explanation of the Crainic-Fernandes obstructions for this situation, and an explicit construction of the integration whenever these obstructions vanish. We also indicate an extension of this approach to regular Lie algebroids.
ISSN:2331-8422