Mathematics
Motmot's user avatar
Motmot's user avatar
Motmot's user avatar
Motmot
  • Member for 5 years, 4 months
  • Last seen more than a week ago
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4
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9
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4
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8
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62
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8
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8
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23
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23
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Top posts
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All Questions Answers
Score Newest
question
5
Thom class in K-theory for real vector bundles of odd rank and pushforwards in K-theory with degree shift
Sep 2, 2021
answer
4
Let R be a ring and f: M→N is an R-homomorphism.
Jan 3, 2022
question
3
Every Cech cocycle can be represented by a normalised cocycle.
Jul 4, 2019
question
3
Spin$^c$-structure necessary for K-orientation
Apr 28, 2022
question
3
Principal $PU(\mathcal H)$-bundle from a principal $\mathbb Z$-bundle and a principal $S^1$-bundle.
Aug 12, 2022
question
3
Proof that $Aut(P) \cong H^2(X;\mathbb Z)$, where $P \to X$ is a principal $PU(\mathcal H)$-bundle.
Mar 13
answer
3
What is this symbol's name?
Jul 19, 2019
question
2
Homomorphism between free groups induced by group homomorphism of abelian groups.
May 22, 2018
question
2
Equivalence of Lie groupoids $\phi: H \rightarrow G$ induces an equivalence of categories $\phi^*: G\text{-spaces} \rightarrow H\text{-spaces}$.
Jul 12, 2019
answer
2
The induced map of a continuous map $F\colon X\to X$ homotopic to the identity is an isomorphism
Nov 11, 2022
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8
Generalisation of the equivalence between $C^*(H)$ and $C_0(G/H) \rtimes G$; induction of group actions on C*-algebras

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