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18,068 papers

#machine learning Preprint Open access Oct 2026

Minimax Rates and Improved Spectral Convergence for Multi-Manifold Clustering

We study eigenpair estimation for the tensorized, density-weighted Laplace--Beltrami operator from $n$ independent data points sampled from a multi-manifold mixture distribution where manifolds may intersect. Let $d$ denote the largest intrinsic dimension of the manifold components and $s\geq2$ the smoothness of the sa...

Haoyu Chen, Chenghui Li · 0 citations
#machine learning Preprint Oct 2026

Entropy-Regularized Mean-Field Games with Average-Reward Criterion: Span-Seminorm Contractions and Model-Free Learning

We study stationary discrete-time mean-field games with finite state and action spaces under the average-reward criterion, with an entropy-regularized objective and population-dependent dynamics and rewards. Under a minorization condition, the soft Q-operator is a span-seminorm contraction for the full transition kerne...

Gunes Akbas, Naci Saldi, Berkay Anahtarci et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Mobility Helps Learning: Unsupervised Model Adaptation for Object Recognition via Movement

Movable agents, such as autonomous vehicles and robots, should be able to autonomously adapt their pre-trained object recognition models to new environments without human annotations. While existing test-time adaptation (TTA) methods address label-free model adaptation, they typically treat test data as independent sna...

Yanan Ma, Yihang Tao, Zhengru Fang et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Grounding Deep Learning Framework Testing in Data Flow

Data flow underlies deep learning (DL) framework execution, including automatic differentiation and operator-fusion optimization. Bugs involving data flow can cause incorrect results or unexpected behavior. Existing testing methods represent models primarily by operator topology, omitting runtime tensor values and prop...

Jiatao Ge, Yanzhou Mu, Yinglong Zou et al. · 0 citations
#machine learning Preprint Oct 2026

Inference on the Value of Policy Improvement in Adaptive Experiments

In this paper, we develop an asymptotically normal estimator for the value of policy improvement (VPI) under adaptively collected data. This value, which is defined as the gap between the value of the best treatment policy in a class and that of a baseline policy, gauges whether or not it is worth deploying a personali...

Justin Whitehouse, Emma Brunskill, Vasilis Syrgkanis · 0 citations
#machine learning Preprint Open access Oct 2026

Robust Marathi Sentiment Analysis using Domain-Adaptive Pre-training and Data Augmentation Approaches

For languages with limited resources, Sentiment Analysis remains a challenging problem due to limited annotated data and strong domain variability across textual sources. Marathi, despite being widely spoken, lacks extensive multi-domain sentiment analysis studies. Recent efforts by L3Cube have introduced multi-domain...

Tanvi Somani, Aryan Babare, Samyak Bora et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Enhancing Zero-Shot Domain Transfer in Low-Resource Sentiment Analysis: A Case Study in Marathi

Sentiment analysis is a key task in Natural Language Processing that determines the polarity of opinions in text. For low-resource languages like Marathi--where limited data prevents the direct use of standard statistical methods--models are often trained on single-domain datasets. While this yields strong in-domain pe...

Tanvi Somani, Aryan Babare, Samyak Bora et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Adaptive Robust Confidence Sets in High Dimensions

We study adaptive confidence sets for mean vectors of multivariate Gaussians with identity covariance under Huber contamination when the contamination proportion is unknown. We show that an information-theoretically optimal adaptive confidence set can be constructed by simultaneously quantifying uncertainty across all...

Ilias Diakonikolas, Chao Gao, Daniel M. Kane et al. · 0 citations
#machine learning Preprint Oct 2026

When do explicit penalties improve flow matching?

Flow matching can learn structure directly from data, raising the question of when additional constraints improve generation. We study penalties that encode such constraints, with physics-informed flow matching as a motivating example. Satisfying a constraint more closely need not make the generated distribution more a...

Lea Kunkel, Alberto González-Sanz, Sophie Langer · 0 citations
#machine learning Preprint Open access Oct 2026

ProtoPur: Prototype-Purity Pseudo-Labeling for Weakly Supervised Instance Learning in Pathology

Weak bag-level labels are widely available in computational pathology, whereas reliable instance-level annotations for whole-slide images remain expensive and ambiguous. Weakly supervised multiple instance learning (MIL) achieves strong bag-level classification, but instance-level supervision from attention scores, mod...

Chen Shu, Chengyang Zhang, Boyu Fu et al. · 0 citations

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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.

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