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17,191 papers

#machine learning Preprint Open access Oct 2026

Global Transport Couplings for Classifier-Free Guided Flows

Optimal-transport couplings have been shown to reduce training variance in unconditional flow models, but their role in conditional generation remains unclear. A natural approach constructs separate couplings for each condition, but this is impractical for large or continuous conditioning spaces found in modern image f...

Katarina Petrovi\'c, Zander W. Blasingame, Danyal Rehman et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Which and When to Admit: Gradient Admission for Data-Centric Small Language Model Finetuning

This work proposes GRADE (GRadient-Aligned Data-centric rEcipe), a data-centric framework combining two mechanisms: a state-aware selector that continually admits samples aligned with the evolving multi-task gradient field, and a self-calibrating step-level gate that rejects updates likely to cause destructive overwrit...

Hong-Yu Cao, Yan-Chi Liu, Kun-Peng Liu et al. · 0 citations

Foundation Model-Aided Multi-Agent Reinforcement Learning for Wireless Random Access Network Optimization

Random access (RA) is one of the most foundational medium access control (MAC) layer scheduling schemes for handling unpredictable data traffic from multiple terminals. While multi-agent reinforcement learning (MARL) has been explored to optimize RA-based wireless networks, its reliance on experience-driven, distribute...

Myeung Suk Oh, Zhi-Yao Zhang, Alvaro Velasquez et al. · 0 citations
#machine learning Preprint Oct 2026

Preserving Unstable Modes Through Inverse Dynamics in JEPA World Models

Robotic systems often exhibit unstable modes, along which small perturbations and disturbances can cause unbounded growth unless corrected through feedback. Controlling such systems from high-dimensional visual observations requires representations that preserve these modes. Joint-embedding predictive architectures (JE...

L. F. Toso, Yann LeCun, James Anderson et al. · 1 citation
#machine learning Preprint Open access Oct 2026

Targeted search shows that random-device testing underestimates worst-case error in a simulated wave-based neural operator

Wave-based processors promise fast, energy-efficient Fourier layers for neural operators. They are usually validated on randomly sampled devices, but using them requires knowing how large their error can become under fabrication and alignment variation. In a stylised numerical case study, a hybrid Fourier neural operat...

Samrendra Roy, Jason Yoo, Souvik Chakraborty et al. · 0 citations
#machine learning Preprint Oct 2026

Activation Denoising: A Robustness View on Parallel vs Sequential LLM Quantization

Post-training quantization is a powerful tool for compressing large language models. The most scalable methods quantize every layer in parallel, but quantization errors then compound through the residual stream, as no layer corrects for the errors of the layers before it. Sequential quantization accounts for this error...

Yan Scholten, Rachel Lawrence, James Hensman et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Harmful SFT Leaves a Continuous Trace in LLM Checkpoint Updates

TRACE is introduced, a weights-only auditing method that localizes an unknown checkpoint update relative to frozen harmful and non-harmful reference prototypes and converts this geometry into a continuous harmful-objective score.

Zi-Qun Bao, Xin-Yu Zhang, Yu-Chen Shao et al. · 0 citations
#machine learning Preprint Oct 2026

Source-Learned Reliance for Selective Test-Time Adaptation of Multimodal Time Series

This work proposes CARAT, which decouples model reliance from runtime corruption detection to guide omission or attenuation, amortizing reliance estimation through source training and position CARAT as a practical default to wearable TTA, offering competitive robustness with modest computational requirements and benefi...

Payal Mohapatra, Yue-Yuan Sui, Hao Yang et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Who Bears the Burden? Learning Responsibility for Shared Constraints in Multi-Agent Reinforcement Learning

When multiple agents share a cost budget, a common Lagrange multiplier can enforce the aggregate constraint but does not determine how its penalty should be allocated across agents. Uniform penalties ignore heterogeneity in the rewards agents sacrifice, while agent-specific multipliers may still rely on the same aggreg...

Xiaoyang Cao, Jingqi Li, Zhe Fu et al. · 0 citations
#machine learning Preprint Oct 2026

Robust Importance Sampling for Rare Events via Constrained Gaussian Mixtures

We study estimating rare-event probabilities $I = \mathbb{P}(g(\mathbf{X})>\gamma)$ with $\mathbf{X} \sim \mathcal{N}(\boldsymbol{\mu}, \boldsymbol{\Sigma})$ and general $g : \mathbb{R}^d \to \mathbb{R}$. We address this problem through importance sampling, and propose a framework that substantially improves efficiency...

P. Lorek, R. Nowak, Rafal Topolnicki et al. · 0 citations
#machine learning Preprint Open access Oct 2026

SpecBraM: What Should an EEG Foundation Model Predict? Masked Band-Power Prediction versus Waveform Reconstruction

Self-supervised EEG models often reconstruct masked waveforms or predict discrete codes. We study a task-aligned alternative: masked band-power prediction (MBP), which predicts fixed narrow-band log spectral energy for masked channel-time patches. This target retains rhythm power relevant to sleep staging while avoidin...

Peng Xie, Yequan Bie, Jianda Mao et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Adapting to Changes in Agent Behavior via Finite-Depth Policy Sensitivity

Adapting a reinforcement learning policy to changes in another agent's behavior typically requires a large amount of new interaction data. Policy sensitivity provides a first-order prediction of how a locally optimal policy changes with a behavioral parameter, but its computation requires second-order derivatives whose...

Lan Shi, Daigo Shishika, Xuan Wang · 0 citations

From tech blogs

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Microsoft Research Blog Nov 3, 2026

Learn the rules: The hacker mindset

Research Manager Mike Walker reflects on a career spanning hacker culture, cybersecurity, and AI, sharing lessons about trust, teamwork, leadership, and why solving difficult problems requires curiosity, judgment, agility—and an understanding of the rules. The post Learn the rules: The hacker mindset appeared first on Microsoft Research.

Google DeepMind Blog Nov 3, 2026

Agentic cheminformatics with Google Antigravity

Learn how Google Antigravity and our Cheminformatics Skills accelerate drug discovery workflows, search compounds, and propose novel rigidified macrocycles.

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.

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