Constrained Variational Inference via Safe Particle Flow

Fuente: arXiv
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Autori principali: Yi, Yinzhuang, Cortés, Jorge, Atanasov, Nikolay
Natura: Preprint
Pubblicazione: 2025
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author Yi, Yinzhuang
Cortés, Jorge
Atanasov, Nikolay
author_facet Yi, Yinzhuang
Cortés, Jorge
Atanasov, Nikolay
contents We propose a control barrier function (CBF) formulation for enforcing equality and inequality constraints in variational inference. The key idea is to define a barrier functional on the space of probability density functions that encode the desired constraints imposed on the variational density. By leveraging the Liouville equation, we establish a connection between the time derivative of the variational density and the particle drift, which enables the systematic construction of corresponding CBFs associated to the particle drift. Enforcing these CBFs gives rise to the safe particle flow and ensures that the variational density satisfies the original constraints imposed by the barrier functional. This formulation provides a principled and computationally tractable solution to constrained variational inference, with theoretical guarantees of constraint satisfaction. The effectiveness of the method is demonstrated through numerical simulations.
format Preprint
id arxiv_https___arxiv_org_abs_2509_10356
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Constrained Variational Inference via Safe Particle Flow
Yi, Yinzhuang
Cortés, Jorge
Atanasov, Nikolay
Optimization and Control
Systems and Control
We propose a control barrier function (CBF) formulation for enforcing equality and inequality constraints in variational inference. The key idea is to define a barrier functional on the space of probability density functions that encode the desired constraints imposed on the variational density. By leveraging the Liouville equation, we establish a connection between the time derivative of the variational density and the particle drift, which enables the systematic construction of corresponding CBFs associated to the particle drift. Enforcing these CBFs gives rise to the safe particle flow and ensures that the variational density satisfies the original constraints imposed by the barrier functional. This formulation provides a principled and computationally tractable solution to constrained variational inference, with theoretical guarantees of constraint satisfaction. The effectiveness of the method is demonstrated through numerical simulations.
title Constrained Variational Inference via Safe Particle Flow
topic Optimization and Control
Systems and Control
url https://arxiv.org/abs/2509.10356