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17,191 papers

#machine learning Preprint Oct 2026

Dimension-Optimal Dynamic Regret in Exp-Concave Online Learning

Tracking changing comparators is a central problem in online learning. For exp-concave losses, previous work established the $T^{1/3}P_T^{2/3}$ dependence on the horizon $T$ and Euclidean path length $P_T$ for fixed dimension, while the optimal cost of dimension remained unresolved. We resolve this question by establis...

Yan-Yi Li, Wen-Dao Wu, Hai-Han Zhang et al. · 0 citations
#machine learning Preprint Oct 2026

RM-OPD: On-Policy Distillation for Generative Reward Models

Reinforcement Learning on Mixed-domain preference data (Mix-RL) has become the mainstream approach for training general-purpose Generative Reward Models (GRMs). However, Mix-RL suffers from two critical bottlenecks: the reward sparsity induced by outcome rewards, and the cross-domain interference arising from jointly o...

Qing-Lin Su, Li-Cheng Pan, Zhen Fang et al. · 0 citations
#machine learning Preprint Oct 2026

Optimizing Sparse Boolean Rule Networks using Mixed Integer Linear Programming

We study the problem of learning accurate and cognitively simple binary classifiers that are directly interpretable as Boolean rules. We propose mixed integer linear programming (MILP) formulations for training sparse disjunctive normal form (DNF) networks, viewed as small networks with a conjunctive hidden layer and a...

Thomas Pammer, Johannes Fürnkranz, Markus Sinnl · 0 citations
#machine learning Preprint Open access Oct 2026

In-Context Batch Black-box Optimization via Flow Matching

Batch black-box optimization is important for expensive systems where many candidates can be evaluated in parallel, yet only a few rounds of evaluation are affordable. In this regime, effective batch construction must identify multiple promising regions while avoiding redundant evaluations, and conventional Bayesian op...

Quoc-Anh Hoang Nguyen, Xinyu Zhang, Daolang Huang et al. · 0 citations
#machine learning Preprint Open access Oct 2026

A Bregman Proximal Viewpoint on Neural Operators

We present several advances on neural operators by viewing the action of operator layers as the minimizers of Bregman regularized optimization problems over Banach function spaces. The proposed framework allows interpreting the activation operators as Bregman proximity operators from dual to primal space. This novel vi...

Abdel-Rahim Mezidi, Jordan Patracone, Saverio Salzo et al. · 0 citations
#machine learning Preprint Oct 2026

KANLab: TensorFlow Playground for Kolmogorov-Arnold Networks

KANLab is a browser-based visualization tool designed to interactively teach the core concepts of Kolmogorov-Arnold Networks (KAN), forked from the widely successful TensorFlow Playground. To maximize educational clarity, KANLab omits residual connections and learnable scaling parameters found in modern KAN implementat...

Lukas Niehaus, Robin Rawiel, U. Krumnack · 0 citations
#artificial intelligence Preprint Oct 2026

From Spectral to Frobenius: When Muon Loses Its Spectral Implicit Bias

It is proved that Muon can recover its spectral max-margin bias with Newton-Schulz iterations growing logarithmically over training, and disentangle the roles of Newton-Schulz iteration count, the stabilization constant, and the Newton-Schulz polynomial, revealing distinct asymptotic behaviors, including directions tha...

Yong-Tao Wu, Mahdi Mansouri, Zhen-Yu Zhu · 0 citations
#machine learning Preprint Oct 2026

Exhaustive Canonical Skeletons Generation: A Formal Dataset for Decomposable Symbolic Regression

An exhaustive dataset of univariate canonical skeletons generated via a deterministic constrained context-free grammar designed to support the decomposable SR paradigm to solve multivariate SR problems without assuming linear separability is introduced.

Giorgio Morales, Anikó Ekárt · 0 citations
#machine learning Preprint Open access Oct 2026

What Do Foundation Models for Market Microstructure Learn? A Controlled Study with Synthetic Limit Order Books

Autoregressive transformers trained on limit order book (LOB) message streams are increasingly proposed as foundation models for market microstructure. Because the generative process of real markets is unknown, these models can be judged only by the realism of their output, leaving open what they actually learn. We mak...

Fernando Acero · 0 citations
#machine learning Preprint Open access Oct 2026

A Large-Dimensional Analysis of Least-Squares Federated Learning via Generalized Total Variation Minimization

Federated learning over decentralized networks inherently trades off the suppression of local finite-sample noise through collaboration against the bias that collaboration introduces between heterogeneous nodes. We study this tension by performing a large-dimensional analysis of Generalized Total Variation Minimization...

Ekkehard Schnoor, Malik Tiomoko, Alexander Jung · 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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