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17,191 papers

#machine learning Preprint Open access Oct 2026

Singular Value Decomposition: A Geometric Rediscovery, Where Proofs Become Algorithms

This article is a geometric rediscovery of the singular value decomposition, with a further claim: the construction it builds is the machinery behind much of machine learning. The same argument that answers an idle question about ellipses is the algorithm behind principal component analysis, kernel methods, and PageRan...

Paul Agron · 0 citations
#machine learning Preprint Oct 2026

Valid for Free: Homophily-Gated Conformal Prediction for Training-Free Node Classification with Tabular Foundation Models

This work gives the first reliability study of the TabICL setting, with TabICL as the TFM and half of each graph as labeled context, and introduces HG-DAPS, a training-free diffusion score whose homophily gate reads only the in-context labels, so the guarantee still holds.

Long D. Nguyen, Hiển Minh Phùng, Viet Trong Nguyen et al. · 0 citations
#machine learning Preprint Oct 2026

Reinforcement Learning for Hierarchical Reasoning Rewards: Minimax-Optimal Rates with Transformers

Reinforcement learning (RL) has become a standard tool for post-training language models on reasoning tasks, where the policy is updated by reward feedback while exploring the space of responses. Despite its empirical success, theoretical understanding of RL post-training remains limited, in particular of why on-policy...

Naoki Nishikawa, Taiji Suzuki · 0 citations
#artificial intelligence Preprint Oct 2026

DeltaTTT: Layerwise Optimization for Nonlinear Recurrent Memory

Sequential test-time training adapts a memory network through successive updates, each computing an inner-loop gradient based on the network's previous state. Intuitively, this state dependence should allow each update to account for what the memory has already learned and better incorporate new information. However, w...

Yi-Ning Li, Dong-Chen Han, Jie Fu et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

From Shared Demand Patterns to Local Uncertainty: Probabilistic Load Forecasting by Mixing Compact Adaptations

Probabilistic load forecasting has been widely studied for power-system operation and planning, but customer- and transformer-level forecasting introduces a distinct scalability challenge. At these levels, load uncertainty is strongly affected by customer behavior, weather, and mixed load composition, making it difficu...

Haoran Li, Zhe Cheng, Yang Weng · 0 citations
#artificial intelligence Preprint Oct 2026

FlowCF: Sparse Counterfactual Explanations for Mixed-Type Tabular Data using Flow Matching

In the field of Explainable AI (XAI), counterfactual (CF) explanations interpret a model's decision by suggesting the changes to the input that would lead to a more favourable outcome. To be useful in practice, such an explanation should change few features and change them as little as possible, properties known as spa...

Emmanouil Panagiotou, E. Ntoutsi · 0 citations
#machine learning Preprint Open access Oct 2026

How Bregman Divergences Shape Shampoo

Understanding the principles behind Shampoo has recently guided the development of more effective neural network optimizers. These methods learn a preconditioner by optimizing the Frobenius or Kullback-Leibler (KL) divergence against the gradient second moment. In this work, we investigate how the choice of divergence...

Bing Liu, Wenjie Zhou, Chengcheng Zhao et al. · 0 citations
#machine learning Preprint Oct 2026

PHBA: Prefix-State Hybrid Block Attention

Hybrid architectures combining linear sequence models with softmax attention provide an effective balance between efficient long-context modeling and precise token retrieval. Existing designs such as Native Hybrid Attention (NHA) combine compressed long-term states with sliding-window attention, but their exact attenti...

Rui-Jie Li, Jia-Xi Hu, Shi-Yu Wang et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

MetaLearnNCA: Few-Shot Offline Meta-Learning via Interacting Neural Cellular Automata

Few-shot meta-learning traditionally formulates task adaptation either as analytical gradient descent through unrolled computational graphs or as metric-based distance comparisons over flattened 1D fea- ture vectors, which either incur costly test-time backpropagation or discard native 2D spatial geometry. In this work...

Etienne Guichard, Stefano Nichele · 0 citations
#machine learning Preprint Oct 2026

Learning PDE solution operators with variable initial conditions via Latent Dynamics Networks

This work infer the initial latent state directly from a small set of early-time observations, treating latent-state initialization as an adaptation problem, and investigates two strategies: an auto-decoding formulation and a meta-learning approach in which the initial latent state acts as a task-specific context varia...

Stefano Maria Pizzamiglio, S. Pagani, Francesco Regazzoni · 0 citations
#machine learning Preprint Open access Oct 2026

Climbing the Design Ladder: Sequential Knowledge Distillation for Early-Stage Circuit Timing Prediction

Integrated circuit design involves multiple design stages: logic synthesis, floorplanning, placement, and routing, with each stage taking hours to weeks to complete. Discovering timing violations late in this flow forces costly iterations back to earlier stages, wasting computational resources and delaying product laun...

Reza Moravej, Fahad Rahman Amik, Zhanguang Zhang et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Symmetry-Aware Feature Learning: A Polynomial Separation for Multi-Index Models

We establish a polynomial sample complexity separation between symmetry-aware and symmetry-agnostic feature learning. We study growing-rank multi-index models with high-dimensional Gaussian covariates in $\mathbb{R}^d$ and $r=\Theta(d^\delta)$ teacher directions forming a cyclic symmetry orbit, where $0<\delta<1/2$. We...

Jivan Waber, Vanessa Piccolo, Yatin Dandi et al. · 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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