Quantum-Inspired Bayesian Inference with Superposition

Jincheng Zhang

Published Sep 1, 2026• 0 citations

Abstract

This paper introduces a novel approach to Bayesian inference that draws inspiration from the principles of quantum mechanics, specifically superposition and decoherence. Traditional Bayesian inference often struggles with exploring the vast and complex inference landscape, leading to slow convergence and potential inaccuracies. Our method utilizes a quantum-inspired representation of probability distributions as quantum states, enabling the simultaneous consideration of multiple hypotheses within a superposition. Controlled decoherence protocols are then employed to guide the inference process, effectively selecting the most probable hypothesis while minimizing computational cost. We demonstrate, through theoretical analysis and mathematical formulations, that this approach can dramatically improve the exploration of the inference landscape, resulting in faster convergence and enhanced accuracy compared to conventional Bayesian methods. The core of this work lies in the mapping of Bayesian model parameters to quantum states and the implementation of controlled decoherence, offering a fundamentally new perspective on probabilistic reasoning. This research aims to provide a framework for tackling complex Bayesian problems efficiently and effectively, potentially unlocking new possibilities in various fields, including machine learning, statistics, and scientific discovery.

DOI: 10.5281/zenodo.22221597

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