Eigenvectors and Eigenvalues of $a^\dagger a$
44016
Proof that the One-Dimensional Simple Harmonic Oscillator is Non-Degenerate?
122951
If the $\det(A)=0$ why does the matrix $A$ have an eigenvector?
9220
If $\lambda$ is an eigenvalue of $A^2$, then either $\sqrt{\lambda}$ or $-\sqrt{\lambda}$ is an eigenvalue of $A$
5058
Eigenvalues of the rank one matrix $uv^T$
104424
If each eigenvalueof $A$ is either $+1$ or $-1$ $ \Rightarrow$ $A$ is similar to ${A^{ - 1}}$
7376
Find $\det(A^{2}+A^{T})$ when eigenvalues are $1,2,3$
119387
If $A$ is any matrix then $A^*A$ and $AA^*$ are Hermitian with non-negative eigenvalues
54118
Proving Eigenvalue squared is Eigenvalue of $A^2$
44632
eigenvalues of symbolic Hermitian 3X3 matrix
80346
If every eigenvector of $T$ is also an eigenvector of $T^{*}$ then $T$ is a normal operator
88975
I need an intuitive explanation of eigenvalues and eigenvectors
153392
Let $A$ be a $n\times n$ matrix such that $a_{ij}=ij$,find the eigenvalues of the matrix $A$.
110086
Let $A$ be an $m \times n$ matrix. Show $A^TA$ and $AA^T$ have the same eigenvalues
86125
If $A$ is idempotent, then the eigenvalues of $A$ are $0$ or $1$
115467
Eigenvalues of Householder matrix
144097
eigenvalues and eigenvectors of $vv^T$
18939
Eigenvalues of the transpose