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Tanny Sieben's user avatar
Tanny Sieben's user avatar
Tanny Sieben's user avatar
Tanny Sieben
  • Member for 5 years, 1 month
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Top posts
6
Computing the homotopy type of $B\operatorname{Aut}(K(G,1))$ using a fibration sequence: why is $G \to \text{Aut(G)}$ given by conjugation?
Feb 18, 2023
5
References on principal $\mathbf{C}$-bundles, where $\mathbf{C}$ is a category?
Mar 25, 2023
4
Are perverse sheaves representations of some topological invariant?
Feb 10
3
When is $BG \rightarrow BH \rightarrow BK$ a principal fibration?
Feb 3, 2023
3
Spin structures on surfaces in terms of homology classes
Feb 23, 2023
2
Confusion about Turaev's description of G-bundles on the cylinder and pairs of pants
Apr 17, 2023
2
Lifting homology classes to the unit tangent bundle, a la Johnson
Apr 19, 2023
0
Atiyah sequence of a coherent sheaf
Apr 13
0
Atiyah sequence of a coherent sheaf
Apr 15
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17
Existence of infinite set of positive integers s.t sum of reciprocals is rational and set of primes dividing an element is infinite
14
Does there exist a generating function for the rational numbers?
13
Sum of three consecutive cubes equals a perfect square
10
In a set of $n$ integers where no proper nonempty subset sums to a multiple of $n$, all elements are congruent
9
Limit of alternating sum of fractional parts