20 Can the Bloch sphere be generalized to two qubits? 2018-11-13T10:05:23.127

10 Geometry of qutrit and Gell-Mann matrices 2018-09-18T14:46:14.440

8 Do pure qudit states lie on a hypersphere in the Bloch representation? 2019-10-05T10:09:31.763

8 What is the difference between the "Fubini-Study distances" $\arccos|\langle\psi|\phi\rangle|$ and $\sqrt{1-|\langle\psi|\phi\rangle|}$? 2020-01-24T13:20:46.447

7 Is the set of all states with negative conditional Von Neumann entropy convex? 2018-12-19T06:29:21.573

7 Does the trace distance have a geometrical interpretation? 2019-11-07T13:02:55.623

4 Homeomorphism or stereographic projection corresponding to the set of mixed states within the Bloch sphere 2019-03-02T23:39:45.080

4 What is the intuition behind Bures and angle metrics? 2020-08-16T17:12:35.913

3 How are orthogonal sets of pure states arranged in state space? 2019-06-04T22:38:47.370

3 Quantum marginal problem - constructing a global state from reduced states 2020-10-21T20:04:12.460

2 Purity of mixed states as a function of radial distance from origin of Bloch ball 2019-03-03T00:43:44.470

2 Why is the boundary of the set of states in the generalised Bloch representation comprised of singular matrices? 2019-04-29T14:37:59.510

1 What is the intuition of the outer product of two states? 2020-05-12T13:47:50.477