quantum mechanics - Can a density matrix have more than two dimensions? - Physics Stack Exchange 少し気になるので後で読む。Separability of 3-qubits density matrices, related to l1 and l2 norms and to unfolding of tensors into matrices これ…

Add support for Python 3.11 by mtreinish · Pull Request #1642 · Qiskit/qiskit-aer · GitHub 自分でそういう対応をすることはないのだが、参考程度に記憶にとどめておきたい。