Why is the inner product of position eigenstates not normalised?
4324
Normalization of basis vectors with a continuous index?
103579
Why are the zeroth order terms in degenerate perturbation theory the eigenstates of the perturbing Hamiltonian?
34697
Why is the Fisher Information matrix positive semidefinite?
145626
Normalisation of free particle wavefunction
114208
Does non-symmetric positive definite matrix have positive eigenvalues?
6206
How does centering make a difference in PCA (for SVD and eigen decomposition)?
154772
The Momentum Operator in QM
45626
How do I calculate the eigenvalues of the positive partial transpose of this two-qubit state?
13137
Why are Hermitian operators linked to observables?
81176
A normal matrix with real eigenvalues is Hermitian
126337
Eigenvalues in orthogonal matrices
148088
What is the energy of a superposition of energy eigenstates?
67760
Should eigenvalues be ordered?
149629
The Eigenvalues of a block matrix
56083
Find the eigenvalues of a projection operator
53993
Can Eigenvalues[] and Eigenvectors[] be assumed to return the same ordering?
79757
Why does the density matrix $\rho$ obey a wrong-signed Heisenberg equation of motion?