Thermodynamic Cyclic Processes with Markov Samplers in Bayesian Inference
The concept of Markov chain Monte Carlo (MCMC) cycles, an analogy to cyclic processes in heat engines, is presented in order to examine Bayesian inference problems. In this effort, we develop adaptive ensemble schedulers that allow the tuning of external parameters of a Bayesian canonical ensemble during an MCMC run, realising the MCMC cycles in practice. We run these cycles on different statistical models. As a fundamental insight, we find (both theoretically and in practice) that such systems can produce a non-zero net work output if and only if the considered model is non-Gaussian. As such, they may serve as a measure of non-Gaussianity in Bayesian inference, which we test on an exampl...
| Authors | Heinrich von Campe, Bjoern Malte Schaefer |
|---|---|
| Primary category | stat.CO |
| Published | 7 September 2026 |
| Last updated at source | 7 September 2026 |
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