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Censi LI
  • Member for 8 years, 8 months
  • Last seen more than 6 years ago
  • Paris, France
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A mathematical learner.

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18
Does the forgetful functor from $\mathbf{TopGrp}$ to $\mathbf{Top}$ admit a left adjoint?
18
A finite group which has a unique subgroup of order $d$ for each $d\mid n$.
17
Can any commutative ring of characteristic $p\in\mathbb P$ be written as the form $R/(p)$ with $R$ being a ring of characteristic $0$?
11
Does faithful additive functor between abelian categories reflect short exact sequence?
10
Example of a finitely generated faithful torsion module over a commutative ring

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