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# Questions

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1
264
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### Pullbacks as manifolds versus ones as topological spaces

mar 12 at 14:15 Eric Wofsey 8,87912646

4
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3
386
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### The classifying space of a gauge group

may 10 at 18:34 John Klein 7,2161928

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466
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### Grothendieck topology for a non-small category

jan 25 at 5:40 Mike Shulman 17.2k2070

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247
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### Classification of principal G-bundles over a differentiable stack

dec 7 11 at 15:31 Konrad Waldorf 1,90511315

1
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277
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### When are $k$-sectors of a Lie groupoid a manifold?

jan 2 at 20:02 H. Shindoh 249115

1
0
0
87
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### A proof of simply connectedness of a symplectic quotient

jan 16 at 11:03 H. Shindoh 249115

0