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for questions about fiber bundles, including structure groups, principal bundles, and spaces of sections.

3 votes
1 answer
681 views

Principal bundles and fibre bundles

Let $\pi_P:P\rightarrow M$ a principal $G$ (right action) bundle. Let $F$ be a manifold with a left action of $G$. Then we have the notion of associated fibre bundle over $M$ whose fibre is $F$. I do …
Praphulla Koushik's user avatar
3 votes
3 answers
1k views

Lie algebra bundle associated to a Lie group bundle

I was reading the paper Non abelian Differentiable gerbes (page 24) and came across notion of Lie algebra bundles associated to a Lie group bundle. I am not comfortable with these notions and google …
Praphulla Koushik's user avatar
0 votes

Looking for an introduction to orbifolds

Eugene Lerman’s Orbifolds as stacks? discuss about orbifolds from point of view of Lie groupoids/Differentiable stacks. The user dvitek mentioned the same paper in a comment to some answer.