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17,191 papers

#machine learning Preprint Open access Oct 2026

In-Context Residual Calibration for Uncertainty Quantification of Energy Time Series over Graphs

Accurate energy demand forecasting is essential for the reliable operation and planning of modern sustainable energy systems. Spatial-temporal graph neural networks (STGNNs) have recently achieved strong performance in point forecasting by jointly modeling temporal dynamics and relational dependencies across interconne...

Keivan Faghih Niresi, Alice Cicirello, Olga Fink · 0 citations
#machine learning Preprint Open access Oct 2026

Detecting Control and Response Events for AI-Enabled Radio Access Networks

Next-generation wireless networks are moving toward the use of concurrent AI-driven control functions to optimize different objectives, particularly in AI-RAN and O-RAN architectures. When these functions interact, they can interfere with one another in ways that are difficult to detect from raw network data alone. A k...

Christie Djidjev, Nicholas Kaminski · 0 citations
#machine learning Preprint Open access Oct 2026

A prism hierarchy of learning regimes in large linear autoencoders

Theoretical studies of machine learning models commonly consider different limiting regimes in which the learning dynamics of gradient descent becomes theoretically tractable. It is, however, desirable to have a systematically obtained picture of qualitatively different extreme learning regimes for a particular type of...

Eugene Golikov, Yaroslav Gusev, Dmitry Yarotsky · 0 citations
#machine learning Preprint Jun 2026

Gradient-based optimization of nuclear criticality experiments using neural surrogate eigenvalue sensitivities

A physics-informed deep neural network is trained to predict the neutronic sensitivity of grid-based critical experiment geometries and the differentiability of the neural network is used to enable gradient-based design optimization of new experiment geometries to maximize the sensitivity profile of a target technology...

W. Savage, Logan A. Burnett, Dean Price · 0 citations
#machine learning Preprint Open access Oct 2026

MAdam: Metric-Aware Multi-Objective Adam

Multi-objective optimization (MOO) underlies many machine learning problems, yet MOO solvers across the loss-balancing, gradient-balancing, and Pareto-based families almost universally hand their reconciled directions to Adam~\citep{kingma2015adam}. We show this coupling introduces two systematic gaps between the solve...

Fengbei Liu, Rachit Saluja, Sunwoo Kwak et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Towards Regret Guarantees for One-Step Lookahead Bayesian Optimization

This paper studies theoretical guarantees of a one-step lookahead Bayesian optimization (BO) method. Although the empirical effectiveness of one-step lookahead BO methods, such as entropy search, has been studied extensively, they often rely on computationally intractable approximations, and their regret guarantees rem...

Shion Takeno · 0 citations
#machine learning Preprint Open access Oct 2026

Open-Weight LLM Fine-Tuning Defenses are Susceptible to Simple Attacks

Recent defenses for safeguarding open-weight large language models (LLMs) are intended to prevent adversarial usage. Underlying these defenses is an assumption that new harmful behavior is learned through fine-tuning rather than elicited by jailbreaking the model. Yet, pretrained LLMs already encode substantial harmful...

Kevin Kuo, Virginia Smith, Chhavi Yadav · 0 citations
#machine learning Preprint Open access Oct 2026

Fourier Feature Pyramids for Physics-Informed Neural Networks

We present an improved neural field architecture for solving partial differential equations (PDEs). Current physics-informed neural networks (PINNs) provide a flexible framework for solving PDEs, but they struggle to achieve highly accurate solutions and require computation that scales poorly with parameter count. Our...

Brandon Zhao, Yixuan Wang, Jonathan T. Barron et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Set-Valued Policy Learning

Conventional treatment policies map patient covariates to a single recommended intervention in order to maximize expected clinical outcomes. However, when multiple treatments yield statistically indistinguishable outcomes or when treatment has no effect, recommending a single intervention may result in somewhat arbitra...

Laura Fuentes-Vicente, Mathieu Even, Ga\"elle Dormion et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Exact Convex Reformulations of Linear Neural Networks via Completely Positive Lifting

We show that the training problem of a deep linear neural network under the squared loss admits an exact convex reformulation in a lifted space over a generalized completely positive cone. The reformulation has the same optimal value as the original nonconvex problem and is linear in the lifted variables, with all nonc...

Karthik Prakhya, Alp Yurtsever · 0 citations

The Value of Mechanistic Priors in Sequential Decision Making

It is shown that priors sensitive to distribution shift can lose half of their mechanistic information under a small distribution shift, motivating physically grounded priors for safety-critical applications.

Itai Shufaro, G. Benor, Shie Mannor · 0 citations
#machine learning Preprint Open access Oct 2026

Geometry-Aware Discretization Error of Diffusion Models

Practical diffusion sampling requires simulating a reverse-time ODE or SDE with a limited number of denoising steps, making the choice of sampling parameters crucial for minimizing discretization error. Non-asymptotic convergence bounds characterize sampling complexity, but their worst-case constants can obscure target...

Samuel Hurault, Thomas Moreau, Gabriel Peyr\'e · 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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