Proving symmetry and eigenvalues on Arbitrary Matrix
2271
Determinant of a rank $1$ update of a scalar matrix, or characteristic polynomial of a rank $1$ matrix
52260
Diagonalization and eigenvalues
18939
Eigenvalues of the transpose
86721
Find the eigenvalues of a matrix with ones in the diagonal, and all the other elements equal
70455
Why are all nonzero eigenvalues of the skew-symmetric real matrices pure imaginary?
138342
Proof of a matrix exponential identity
24454
The relationship between the eigenvalues of matrices $XY$ and $YX$
70021
Verify if symmetric matrices form a subspace
157246
Adjoint matrix eigenvalues and eigenvectors
56727
Odd-dimensional complex skew-symmetric matrix has eigenvalue $0$
108567
Nielsen & Chuang Exercise 2.2 - “Matrix representations: example”
106024
The eigenvalues and corresponding eigenvectors for the matrix
149086
Determining $\mbox{tr}(A)$ and $\det(A)$ as functions of the eigenvalues of a matrix
54628
Properties of non-zero symmetric bilinear form
14320
How to prove that eigenvectors from different eigenvalues are linearly independent
40154
Finding the dimension of real symmetric matrices with trace zero
59397
Eigenvalues of $AB$ and $BA$ where $A$ and $B$ are square matrices