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Mathematics
Alexander Thumm's user avatar
Alexander Thumm's user avatar
Alexander Thumm's user avatar
Alexander Thumm
  • Member for 13 years, 6 months
  • Last seen more than 10 years ago
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answer
68
Why are gauge integrals not more popular?
Mar 21, 2011
answer
26
How many connected components does $\mathrm{GL}_n(\mathbb R)$ have?
Jan 21, 2012
question
21
If $S \times \Bbb{R}^k$ is homeomorphic to $T \times \Bbb{R}^k$ and $S$ is compact, can we conclude that $T$ is compact?
May 8, 2013
answer
21
In set theory, how are real numbers represented as sets?
Sep 8, 2011
answer
16
Product of sets and supremum
Jun 21, 2011
answer
14
Prove that $b\mid a \implies (n^b-1)\mid (n^a-1)$
Mar 22, 2011
answer
14
An example of an infinite non-abelian solvable group
Dec 14, 2011
answer
13
What does 'card' stands for?
Apr 1, 2011
answer
13
Homeomorphism of the Disk
Jun 19, 2011
answer
11
If $S \times \Bbb{R}$ is homeomorphic to $T \times \Bbb{R}$ and $S$ is compact, can we conclude that $T$ is compact?
May 7, 2013