What are the eigenvalues of matrix that have all elements equal 1?
2271
Determinant of a rank $1$ update of a scalar matrix, or characteristic polynomial of a rank $1$ matrix
19132
Similar matrices have the same eigenvalues with the same geometric multiplicity
59402
Comparing Eigenvalues of Positive Semidefinite Matrices
94424
Matrices and Eigenvalues of Norm
104424
If each eigenvalueof $A$ is either $+1$ or $-1$ $ \Rightarrow$ $A$ is similar to ${A^{ - 1}}$
66241
What can the eigenvalues of unitary matrices tell us?
151332
If $A,B$ have eigenvalues $\pm1$, what can I say about the eigenvalues of $AB,BA$?
153392
Let $A$ be a $n\times n$ matrix such that $a_{ij}=ij$,find the eigenvalues of the matrix $A$.
106288
Prove that the eigenvalues of a block matrix are the combined eigenvalues of its blocks
149916
Minimum eigenvalue and singular value of a square matrix
128453
If $A$ has two eigenvalues $\lambda _1, \lambda_2$ and $\dim (E_{\lambda_1})=n-1$, then $A$ is diagonalizable
75536
every eigenvalue of $T$ has only one corresponding eigenvector up to a scalar multiplication
146316
what is no. of positive eigen value of symmetric matrix A with some given relationship
151088
Finding Matrix A from Eigenvalues and Eigenvectors (Diagonalization)
54099
What are the eigenvalues of $\operatorname{ad}x$?
71040
If $ \operatorname{Tr}(M^k) = \operatorname{Tr}(N^k)\;\forall 1\leq k \leq n$, then how do we show the $M$ and $N$ have the same eigenvalues?
98541
If a Matrix Has Only Zero as an Eigen-Value Then It Is Nilpotent