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Mathematics
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Ri-Li's user avatar
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Ri-Li
  • Member for 10 years, 3 months
  • Last seen more than a week ago
  • St. Louis, MO, USA
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I am a masters student in math.

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When to raise flag above 5k reputation?
Feb 26, 2018
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1
what the problem I am facing is this site at once I am opening its redirecting towards some advertisement
Feb 15, 2016
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How to find out a tag which I created? [duplicate]
Feb 26, 2018
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24
Prove that $\operatorname{SL}(n,\Bbb R)$ is connected.
19
How to prove that factors of homogeneous polynomial are homogeneous?
13
Prove $(\mathfrak M^{-1})_S=(\mathfrak M_S)^{-1}$ and $(\mathfrak M \mathfrak N)^{-1}=\mathfrak M^{-1} \mathfrak N^{-1}$
12
$T$ be linear operator on $V$ by $T(B)=AB-BA$. Prove that if A is a nilpotent matrix, then $T$ is a nilpotent operator.
12
Check whether $f \mapsto f+ \frac{df}{dx}$ is injective or surjective