Mathematics
Xindaris's user avatar
Xindaris's user avatar
Xindaris's user avatar
Xindaris
  • Member for 10 years, 2 months
  • Last seen more than a month ago
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2,461
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8
answers
96
questions
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6
Score
34
Posts
33
Posts %
6
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17
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16
Posts %
3
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20
Posts
19
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3
Score
14
Posts
13
Posts %
1
Score
12
Posts
12
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1
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10
Posts
10
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Top posts
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All Questions Answers
Score Newest
question
13
Fundamental group of two tori with a circle ($S^1✕${$x_0$}) identified
Sep 13, 2014
question
11
Cauchy convergence in probability implies the existence of a (finite a.e.) limit $X$
Oct 6, 2014
question
11
Possible flaw in "proof" that a sum of two compact operators is compact
Nov 7, 2014
question
7
Maximal ideal not containing the set of powers of an element is prime
Jan 16, 2014
question
7
Any ring is integral over the subring of invariants under a finite group action
Apr 1, 2014
question
6
For a distribution function $F(x)$ and constant $a$, integral of $F(x + a) - F(x)$ is $a$.
Oct 4, 2014
question
6
Obtaining Wirtinger presentation using van Kampen theorem
Sep 12, 2014
answer
5
With B integral over subring A, homomorphism from A to algebraically closed field F can be extended to B.
Apr 9, 2014
question
5
Define the dual group $\hat G$ as the set of all homs. from $G$ to $\Bbb C^*$, with pointwise multiplication. Show $\hat G$ is an abelian group.
Sep 25, 2013
question
5
Proof of the classifying space cohomology isomorphism for local coefficients
May 25, 2020
Top network posts
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6
Simplicial set construction of the classifying space
5
Finding the right map between cohomology with local coefficients and Čech cohomology

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