Can we write a matrix with zero trace as a commutator?
64353
Does the set of matrix commutators form a subspace?
11397
How do I write this matrix as a product of elementary row matrices.
57070
Dimensionality of null space when Trace is Zero
6659
Approximating commuting matrices by commuting diagonalizable matrices
93531
Do commuting matrices share the same eigenvectors?
32064
Zero-dimensional matrices
52621
Why is $\det(A - \lambda I)$ zero?
33560
Show that matrices $A$ and $B$ commute if and only if $\begin{vmatrix} b & a-c \\ e & d-f\end{vmatrix}=0.$
150387
Questions about matrix rank, trace, and invertibility
121987
Direct proof that nilpotent matrix has zero trace
2762
Mapping of zero vector under a linear transformation
84341
Can the determinant of a matrix can be made $0$?
134442
Can a matrix in $\mathbb{R}$ have a minimal polynomial that has coefficients in $\mathbb{C}$?
44371
Finding trace and determinant of linear operator
93550
How to find the matrix representation of an operator from its action on a basis?
119947
Can a non-zero vector have zero image under every linear functional?
154640
Do Diagonal Matrices Always Commute?