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Lorenzo Baldassari

3 accepted papers

2026

Dimension-Free Multimodal Sampling via Preconditioned Annealed Langevin Dynamics

ICML 2026poster

Designing algorithms that can explore multimodal target distributions accurately across successive refinements of an underlying high-dimensional problem is a central challenge in sampling. Annealed Langevin dynamics (ALD) is a widely used alternative to classical Langevin since it often yields much …

Cited by 2SourceScholar
2025

Preconditioned Langevin Dynamics with Score-based Generative Models for Infinite-Dimensional Linear Bayesian Inverse Problems

NeurIPS 2025spotlight

Designing algorithms for solving high-dimensional Bayesian inverse problems directly in infinite‑dimensional function spaces – where such problems are naturally formulated – is crucial to ensure stability and convergence as the discretization of the underlying problem is refined. In this paper, we…

Cited by 0SourceScholar
2023

Conditional score-based diffusion models for Bayesian inference in infinite dimensions

NeurIPS 2023spotlight

Since their initial introduction, score-based diffusion models (SDMs) have been successfully applied to solve a variety of linear inverse problems in finite-dimensional vector spaces due to their ability to efficiently approximate the posterior distribution. However, using SDMs for inverse problems…