noise correction

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What does a quantum Bayes’s rule look like?

7 min read
Analysis Scicomm Science Bayes's rule Bayesian network Bayesianism Choi operators commutativity completely positive trace-preserving map noise correction Physical Review Letters principle of minimum change probability quantum computing quantum information theory stochastic processes unitarity variational Bayesian inference

Bayes's rule is one of the most fundamental principles in probability and statistics. It allows us to update our beliefs in the face of new evidence. In its simplest form, the rule tells us how to…