EuCAPT white paper: opportunities and challenges for theoretical astroparticle physics in the next decade

RA Batista, MA Amin, G Barenboim, N Bartolo… - arXiv preprint arXiv …, 2021 - arxiv.org
Astroparticle physics is undergoing a profound transformation, due to a series of
extraordinary new results, such as the discovery of high-energy cosmic neutrinos with …

Disentangling impact of capacity, objective, batchsize, estimators, and step-size on flow VI

A Agrawal, J Domke - arXiv preprint arXiv:2412.08824, 2024 - arxiv.org
Normalizing flow-based variational inference (flow VI) is a promising approximate inference
approach, but its performance remains inconsistent across studies. Numerous algorithmic …

PAVI: Plate-Amortized Variational Inference

L Rouillard, AL Bris, T Moreau… - arXiv preprint arXiv …, 2023 - arxiv.org
Given observed data and a probabilistic generative model, Bayesian inference searches for
the distribution of the model's parameters that could have yielded the data. Inference is …

Provably Scalable Black-Box Variational Inference with Structured Variational Families

J Ko, K Kim, WC Kim, JR Gardner - arXiv preprint arXiv:2401.10989, 2024 - arxiv.org
Variational families with full-rank covariance approximations are known not to work well in
black-box variational inference (BBVI), both empirically and theoretically. In fact, recent …

Embedded-model flows: Combining the inductive biases of model-free deep learning and explicit probabilistic modeling

G Silvestri, E Fertig, D Moore, L Ambrogioni - arXiv preprint arXiv …, 2021 - arxiv.org
Normalizing flows have shown great success as general-purpose density estimators.
However, many real world applications require the use of domain-specific knowledge, which …

Structured variational approximations with skew normal decomposable graphical models and implicit copulas

R Salomone, X Yu, DJ Nott, R Kohn - Journal of Computational …, 2024 - Taylor & Francis
Although there is much recent work developing flexible variational methods for Bayesian
computation, Gaussian approximations with structured covariance matrices are often …

Understanding and mitigating difficulties in posterior predictive evaluation

A Agrawal, J Domke - arXiv preprint arXiv:2405.19747, 2024 - arxiv.org
Predictive posterior densities (PPDs) are of interest in approximate Bayesian inference.
Typically, these are estimated by simple Monte Carlo (MC) averages using samples from the …

Structured variational approximations with skew normal decomposable graphical models

R Salomone, X Yu, DJ Nott, R Kohn - arXiv preprint arXiv:2302.03348, 2023 - arxiv.org
Although there is much recent work developing flexible variational methods for Bayesian
computation, Gaussian approximations with structured covariance matrices are often …

ADAVI: Automatic Dual Amortized Variational Inference Applied To Pyramidal Bayesian Models

L Rouillard, D Wassermann - arXiv preprint arXiv:2106.12248, 2021 - arxiv.org
Frequently, population studies feature pyramidally-organized data represented using
Hierarchical Bayesian Models (HBM) enriched with plates. These models can become …

Bridging Simulation-based Inference and Hierarchical Modeling: Applications in Neuroscience

L Rouillard - 2024 - theses.hal.science
Neuroimaging investigates the brain's architecture and function using magnetic resonance
(MRI). To make sense of the complex observed signal, Neuroscientists posit explanatory …