Eigenvalues of a sum of power of a matrix
104293
How to prove "eigenvalues of polynomial of matrix $A$ = polynomial of eigenvalues of matrix $A$ "
106986
Eigenvalues of $AB$ and $BA$
125569
Prove that the eigenvalues of a real symmetric matrix are real
109675
Finite sum of eigenspaces (with distinct eigenvalues) is a direct sum
90576
Symmetric matrix eigenvalues
56083
Find the eigenvalues of a projection operator
50384
A matrix and its transpose have the same set of eigenvalues/other version: $A$ and $A^T$ have the same spectrum
124001
Are the eigenvalues of the sum of two positive definite matrices increased?
86721
Find the eigenvalues of a matrix with ones in the diagonal, and all the other elements equal
29788
Eigenvalues of a matrix whose square equals its transpose
149916
Minimum eigenvalue and singular value of a square matrix
54118
Proving Eigenvalue squared is Eigenvalue of $A^2$
104424
If each eigenvalueof $A$ is either $+1$ or $-1$ $ \Rightarrow$ $A$ is similar to ${A^{ - 1}}$
4509
Proof that an involutory matrix has eigenvalues 1,-1
52260
Diagonalization and eigenvalues
68132
Small positive eigenvalues found for a negative definite matrix
88971
An approximate eigenvalue for $ T \in B(X) $.