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#machine learning Preprint Open access Oct 2026

Opening the Black Box of Classifier-Free Guidance via Information Bottleneck

Classifier-free guidance (CFG) is a standard technique for improving conditional generation in diffusion models, yet its activation schedule is usually selected heuristically. In practice, most existing CFG-based methods rely on a pre-defined activation policy throughout inference, while recent dynamic variants often d...

Jiayang Gao, Tianyi Zheng, Jiayang Zou et al. · 0 citations
#machine learning Preprint Oct 2026

Hidden Data Challenges in Clinical Machine Learning

Widely reused preprocessing pipelines for electronic health records can encode assumptions about when information became available, what clinical episode a label represents, and what missingness means. These assumptions are rarely audited systematically and may propagate across subsequent studies when preprocessing pip...

Carolin Cissée, Dennis Fast, Raneen Younis et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Understanding Mamba-3 Through Oscillatory Dynamics

Mamba-3 introduces input-dependent rotations into recurrent state updates, but their contribution beyond state retention remains unclear. We interpret these ro- tations as underdamped second-order dynamics, providing a framework for in- vestigating the role of oscillation in sequence modeling. Controlled comparisons sh...

Shutian Liang, Yue Song · 0 citations
#machine learning Preprint Oct 2026

AgentTune: A Unified Training Lifecycle for Tool-Using LLM Agents

Tool-using agents increasingly require a common substrate for building, training, evaluating, distilling, and maintaining agentic systems, yet existing tooling typically addresses these stages in isolation. We present AgentTune, a source-available Python library that provides a unified framework for developing and opti...

R E Zera Marveen Lyngkhoi, Abhivansh Gupta, Vidushee Vats et al. · 0 citations
#machine learning Preprint Open access Oct 2026

PDE-PFN: Prior-Data Fitted Neural PDE Solver

Motivated by the success of large language models (LLMs) with broad generalizability and robustness to noisy or unreliable pre-training data, we explore in-context prediction of PDE solution fields using approximate pre-training data. In addition, inspired by the posterior predictive mean-based inference mechanism of t...

Jaehyeon Park, Mingu Kang, Dongseok Lee et al. · 0 citations
#machine learning Preprint Oct 2026

DuoRate: Two-Rate Per-Expert Precision Allocation for Mixture-of-Experts Serving

Serving a Mixture-of-Experts (MoE) model pays for expert precision twice: the resident footprint pays for every expert the router can reach, while each batch-one decode step pays only for the experts it selects. These are two different rate functionals over the same per-expert widths, yet published per-expert MoE alloc...

Meng-Qi Guo, Zhe Wei, Yuan Yuan et al. · 0 citations
#machine learning Preprint Open access Oct 2026

SBNO : Schr\"odinger Bridge Neural Operator for the Forward and Inverse Problems under Missing Information

Partial differential equation (PDE) surrogate modeling often relies on either dense observations or access to governing equations/physics constraints. In practice, observations can be sparse and partial, and the underlying physics may be partially specified or unavailable. We introduce SBNO, an equation-free paired-dat...

Jaehyeon Park, Inhyeok Jeong, Noseong Park · 0 citations
#machine learning Preprint Open access Oct 2026

Sustainable Cloud-Fog-Edge Systems for Smart Buildings: Algorithmic Adaptation under Memory Constraints and Dynamic Orchestration Strategies

The escalating environmental footprint of the Information and Communication Technol- ogy (ICT) sectorwith global Data Center electric- ity usage potentially reaching 3% by 2030 and the imperative for real-time responsiveness in smart buildings demand a foundational shift towards Edge Computing. This article proposes a...

Mamadou Sow, Christophe Cerin · 0 citations
#machine learning Preprint Open access Oct 2026

Structure-Aware Numerical Stabilization for Half-Precision Proximal Policy Optimization

Local online training on resource-constrained platforms requires low computational and training-state overhead. We study the numerical stability and computational efficiency of half-precision proximal policy optimization (PPO) on commodity GPUs. Directly converting PPO training to FP16 is unreliable because numerical e...

Linxuan Wu, Liang Chen · 0 citations
#machine learning Preprint Open access Oct 2026

MORAD: Reinforcement Learning with Multi-Objective Rewards for RNA Inverse Design

We introduce MORAD, an online reinforcement learning framework for backbone-conditioned RNA diffusion models that trains a single shared policy across diverse target backbones. Structure-conditioned RNA inverse design seeks nucleotide sequences compatible with a target three-dimensional backbone, yet existing reinforce...

Jixin Tang, Ji Guo, Jun Zhao · 0 citations
#machine learning Preprint Open access Oct 2026

DAG Structure Learning with Node-Varying Heavy-Tailed Disturbances

DAG structures can be learned from observations by incorporating acyclicity via smooth constraints, such as DAGMA's log-determinant function. Typically, observations and the underlying DAG are related through linear structural equation models, with Gaussianity assumption on the disturbances at each node. Extending DAG...

Robin Francis, Sundeep Prabhakar Chepuri · 0 citations
#machine learning Preprint Open access Oct 2026

Recovering Irreducible Three-Body Interactions with Lagrangian Neural Networks

Lagrangian Neural Networks (LNNs) learn mechanical systems from trajectory data by parameterizing a scalar Lagrangian and deriving the dynamics through the Euler-Lagrange equations, biasing the model toward motion that respects the variational structure of mechanics. The interactions studied so far have been pairwise-a...

Sena Kalabalik, Sukru Caglar, Abdullah Umut Hamzaogullari et al. · 0 citations

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MIT News · Artificial Intelligence Oct 28, 2026

Making machines that can listen

Professor Paris Smaragdis develops computers with superhuman hearing for applications like speech recognition, music understanding, and environmental monitoring.

MIT News · Artificial Intelligence Oct 23, 2026

Q&A: How AI came to model the “messy” human mind

Assistant Professor Benjamin Lindquist studies how engineers deliberately injected randomness into early AI, giving rise to deep-learning models that sometimes hallucinate.

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