Test diagonalizability of $T(A)=A^t$ over all $n\times n$ matrices
34820
Transpose Operator is diagonalizable?
104293
How to prove "eigenvalues of polynomial of matrix $A$ = polynomial of eigenvalues of matrix $A$ "
6960
Necessary and sufficient condition for the matrix $A = I - 2 x x^t$ to be orthogonal
110086
Let $A$ be an $m \times n$ matrix. Show $A^TA$ and $AA^T$ have the same eigenvalues
6659
Approximating commuting matrices by commuting diagonalizable matrices
95677
Linear Matrix Inequality of a matrix $T$ with $\| T \|_2 < \rho$
58476
Why can a matrix whose kth power is I be diagonalized?
10014
Is there a built-in procedure for simultaneous diagonalization of a set of commuting matrices?
33477
Proving that if $A$ is a $8\times 8$ matrix over $\mathbb{R}$ and $A^3=A$, then $A$ is diagonalizable.
53863
Making a non-diagonalizable matrix diagonalizable with an small perturbations
70468
Row space and column space of $A^T A$ and $A A^T$
18470
A practical way to check if a matrix is positive-definite
49439
Matrix exponential via Cayley-Hamilton Theorem
139317
If $A$ is a complex matrix of size $n$ of finite order then is $A$ diagonalizable ?
21571
Why are real symmetric matrices diagonalizable?
30049
If $T^m$ is diagonalizable for a $m\in\mathbb N$, then $T$ is diagonalizable.
79276
Find $\min(\operatorname{trace}(AA^T))$ for invertible $A_{n\times n}$