If $A^n$ = $I$ for some $n>0$, then $A$ can be diagonalized?
139317
If $A$ is a complex matrix of size $n$ of finite order then is $A$ diagonalizable ?
92975
Does $a^n \mid b^n$ imply $a\mid b$?
72541
Is the matrix diagonalizable for all values of t?
22666
Proving that if $A^n = 0$, then $I - A$ is invertible and $(I - A)^{-1} = I + A + \cdots + A^{n-1}$
118212
Is it true that $A^A\simeq P(A)$?
31331
$|a|=m,\,\gcd(m,n)=1 \implies a$ is an $n$'th power
78575
If $A^2 = I$, then $\operatorname{rank} (A+I) + \operatorname{rank} (A-I) =n$
111550
Let $A$ be a square complex matrix of size $n$ then $\langle Ax,x\rangle=0$ for $\forall x \in \Bbb C^n$ $\iff A=0$
89047
If a matrix is triangular, is there a quicker way to tell if it is can be diagonalized?
124734
If $A^3=O$ is the matrice $A^2-A+I$ invertible?
62850
Linear Algebra: If $A^3 = I$, does $A$ have to be $I$?
67784
If $A + A^t = 2I$ then $\det(A) \geq 1$
6681
How does Cantor's diagonal argument work?
123803
If $X^n$ is a diagonal matrix with distinct eigenvalues, then is $X$ also a diagonal matrix with distinct eigenvalues?
5322
Let $A$ be a complex matrix such that $A^n = I$, show that $A$ is diagonalisable.
33477
Proving that if $A$ is a $8\times 8$ matrix over $\mathbb{R}$ and $A^3=A$, then $A$ is diagonalizable.
68238
Diagonalisable or not?