Similar matrices NOT over the complex numbers
57515
Similar matrices and field extensions
112901
Matrix on complex field.
32767
Similar Matrices and Linear Transformations
52882
find nonsingular matrices $B$ and $C$ that satisfy $BC+ CB= 0$
111366
Does there exist a symmetric matrix $A$ such that $2^{\sqrt{n}}\le |\operatorname{Tr}(A^n)|\le2020 \ \cdot 2^{\sqrt{n}}$ for all $n$
136329
A matrix is similar to its transpose
62232
A real $2 \times 2 $ matrix $M$ such that $M^2 = \tiny \begin{pmatrix} -1&0 \\ 0&-1-\epsilon \\ \end{pmatrix}$ , then :
18145
Diagonalizable matrices with complex values are dense in set of $n\times n$ complex matrices.
32064
Zero-dimensional matrices
146243
Does there exist a matrix $\mathbf{A}\in\mathbb{R}^{3\times3}$ such that $\mathbf{A}^{2}=-\mathbf{I}$?
31153
Converting similarity matrix to (euclidean) distance matrix
70723
Why are nonsquare matrices not invertible?
79526
How do I tell if matrices are similar?
34198
Avoiding overlapping superscripts and subscripts in matrices
127620
Matrix exponential of a traceless $2\times2$ complex matrix
127799
Eigenvalues of symmetric matrices are real without (!) complex numbers
40222
Matrices that are not diagonal or triangular, whose eigenvalues are the diagonal elements