Eigen values of special matrix
2271
Determinant of a rank $1$ update of a scalar matrix, or characteristic polynomial of a rank $1$ matrix
146316
what is no. of positive eigen value of symmetric matrix A with some given relationship
129977
Prove that $\lambda_1^2$, $\lambda_1\lambda_2$ and $\lambda_2^2$ are eigenvalues of matrix $A$
154666
similar matrices have same eigenvalue... stuck
49158
Multiplicity of eigenvalues
81275
Eigenvalue Problem -- prove eigenvalue for $A^2 + I$
124583
A question about eigenvalues of $5\times5$ matrix
127799
Eigenvalues of symmetric matrices are real without (!) complex numbers
80544
Need verification - Prove a Hermitian matrix $(\textbf{A}^\ast = \textbf{A})$ has only real eigenvalues
117808
A real nxn matrix always has a real eigenvalue when n is odd
61949
Finding the eigenvalues of differential Normal mapping of the Hyperbolic Paraboloid
16562
what are the eigenvalues in orthgonal matrix, How to explain?
88349
Are the eigenvalues of $AB$ equal to the eigenvalues of $BA$? (Citation needed!)
150376
Does Real Eigenvalues mean it is an hermitian Matrix
81176
A normal matrix with real eigenvalues is Hermitian
55377
Non-zero eigenvalues of $AA^T$ and $A^TA$
112900
Eigenvalue of a polynomial evaluated in a operator