https://eu-de.quantum.cloud.ibm.com/docs/en/addons/qiskit-mitigation/guides/postselection-with-non-markovian-error-checks
Postselection with non-Markovian error checks | IBM Quantum Documentation
Postselection with non-Markovian error checks for the latest version of Qiskit mitigation
ibm quantumpostselectionnonmarkovianerror