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New posts in Nilpotence
$a+1,a-1$ invertible for nilpotent element
Apr 26, 2021
Direct proof that nilpotent matrix has zero trace
Apr 26, 2021
Nilpotent commutative matrices $A, B$ $\Longrightarrow$ $A+B$ nilpotent.
Apr 25, 2021
Prove that the only eigenvalue of a nilpotent operator is 0?
Apr 25, 2021
Prove that if $A$ is Hermitian and $A^m=I$, then $A^2=I$ (and $A=I$ if $m$ is odd)
Apr 25, 2021
If $a_M$ is not locally nilpotent, why does there exist $x \in M$ and a prime ideal $\mathfrak{p}$ such that $(Ax)_\mathfrak{p} \neq 0$?
Apr 25, 2021
How to show that the nth power of a $n \times n$ nilpotent matrix equals to zero $A^n=0$
Apr 25, 2021
$A$ is normal and nilpotent, show $A=0$
Apr 25, 2021
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