Mathematics
Tran Nam Son's user avatar
Tran Nam Son's user avatar
Tran Nam Son's user avatar
Tran Nam Son
  • Member for 4 years, 4 months
  • Last seen this week
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48
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All Questions Answers
Score Newest
question
4
The calculation does not use complex variable function theory $\int _0^{2\pi }e^{\cos \left(x\right)}\cos \left(\sin \left(x\right)\right)dx$
Dec 11, 2019
question
3
The multiplicative group of the real quaternion division ring
Apr 27
question
3
Unipotent matrices are conjugate to their inverses
Jan 2
question
3
When is an invertible $n \times n$ matrix (over an arbitrary ring) similar to its inverse?
Aug 19, 2021
question
3
How to show that a quaternionic matrix is not a product of two involutions?
Sep 8, 2021
question
3
Commutators in the infinite dihedral group
Sep 17, 2021
question
3
Is free algebra a PI-algebra?
Jun 21, 2022
question
2
A counterexample to "If $b\neq 0$ and $ab$ are both central, then $a$ is central."
Jul 25
question
2
Every element in a local ring is either invertible or nilpotent
Feb 13
question
2
When is a multiplicative commutator conjugate to its inverse?
Dec 29, 2022

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