Mathematics
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Thomas
  • Member for 8 years, 1 month
  • Last seen this week
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307
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2
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294
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151
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49
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68
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24
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8
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59
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26
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8
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20
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6
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55
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Top posts
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All Questions Answers
Score Newest
answer
14
Orientability of $m\times n$ matrices with rank $r$
Jun 14, 2016
answer
14
Why should we expect the connection between complex arithmetic and geometry?
Oct 9, 2020
answer
11
What's true in $\mathbb{R}^4$, false in $\mathbb{R}^3$ and uninteresting in $\mathbb{R}^5$?
Jan 11, 2016
answer
10
Can a free product of groups be co-Hopfian?
Apr 6, 2022
answer
10
Levi-Civita-connection of an embedded submanifold is induced by the orthogonal projection of the Levi-Civita-connection of the original manifold
Jan 15, 2018
answer
9
If $T$ is self-adjoint then $||T^n|| = ||T||^n$
May 15, 2021
answer
8
Are complex projective spaces orientable?
Aug 25, 2016
answer
8
How come the genus of algebraic curve can be any natural number?
Apr 20, 2021
answer
8
Determine with justification, whether $S^2 \times S^4$ is homeomorphic to $\mathbb{C}P^3$.
Mar 20, 2020
answer
7
Torsion-free Lie groups
Mar 2, 2021
Top network posts
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41
What recent discoveries have amateur mathematicians made?
8
Conformal changes of metric and geodesics
6
Automorphism group of a free product
5
Nontrivial theorems with trivial proofs
5
Euler characteristic of a surface in $\mathbb{R}^3.$

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