Archives AI News

Briding Diffusion Posterior Sampling and Monte Carlo methods: a survey

arXiv:2510.14114v1 Announce Type: new Abstract: Diffusion models enable the synthesis of highly accurate samples from complex distributions and have become foundational in generative modeling. Recently, they have demonstrated significant potential for solving Bayesian inverse problems by serving as priors. This…

Terra: Explorable Native 3D World Model with Point Latents

arXiv:2510.14977v1 Announce Type: cross Abstract: World models have garnered increasing attention for comprehensive modeling of the real world. However, most existing methods still rely on pixel-aligned representations as the basis for world evolution, neglecting the inherent 3D nature of the…

Demystifying the Mechanisms Behind Emergent Exploration in Goal-conditioned RL

arXiv:2510.14129v1 Announce Type: new Abstract: In this work, we take a first step toward elucidating the mechanisms behind emergent exploration in unsupervised reinforcement learning. We study Single-Goal Contrastive Reinforcement Learning (SGCRL), a self-supervised algorithm capable of solving challenging long-horizon goal-reaching…

Tokenizing Single-Channel EEG with Time-Frequency Motif Learning

arXiv:2502.16060v3 Announce Type: replace Abstract: Foundation models are reshaping EEG analysis, yet an important problem of EEG tokenization remains a challenge. This paper presents TFM-Tokenizer, a novel tokenization framework that learns a vocabulary of time-frequency motifs from single-channel EEG signals…

LLM-guided Chemical Process Optimization with a Multi-Agent Approach

arXiv:2506.20921v2 Announce Type: replace Abstract: Chemical process optimization maximizes production efficiency and economic performance, but optimization algorithms, including gradient-based solvers, numerical methods, and parameter grid searches, become impractical when operating constraints are ill-defined or unavailable. We present a multi-agent LLM…

Beyond Linear Probes: Dynamic Safety Monitoring for Language Models

arXiv:2509.26238v2 Announce Type: replace Abstract: Monitoring large language models’ (LLMs) activations is an effective way to detect harmful requests before they lead to unsafe outputs. However, traditional safety monitors often require the same amount of compute for every query. This…