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data science

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#machine learning Preprint Sep 2026

GPU-Enabled Large-Scale Optimization Using Randomized Linear Algebra

This paper introduces rlaopt, a PyTorch-based package for large-scale optimization and scientific computing using randomized numerical linear algebra (RandNLA). Despite substantial progress in RandNLA-based algorithms, few implementations combine GPU acceleration with a simple interface for specifying optimization prob...

Pratik Rathore, Zachary Frangella, P. Nobel et al. · 0 citations
#machine learning Preprint Sep 2026

InfluenceField: A Differentiable Field with Interventionally Identifiable Causal Structure for Multimodal World Modeling

InfluenceField, an intervention-aware latent field inserted between the visual encoder and language decoder, is introduced, an intervention-aware latent field inserted between the visual encoder and language decoder that lifts patch features into a continuous spatial representation, propagates directed influence over m...

Zi-Hao Yang, Zi-Jian Wang, Zhi-Qiu Huang · 0 citations
#machine learning Preprint Sep 2026

Statistical versus machine learning-based spatial interpolation of post-processed ensemble weather forecasts

Comparisons of statistical and machine-learning-based methods for post-processing ECMWF 2-m temperature and 10-m wind speed forecasts at observed and unobserved stations in Germany consider EMOS-based approaches, distributional regression networks, Transformers, and graph neural networks under both limited and extended...

Mária Lakatos · 0 citations
#machine learning Preprint Sep 2026

Dense Structural Compression of Transformers via Gauge-Correct Channel Removal

Inference energy per token drives the cost and carbon footprint of deployed transformers. It is dominated by dense matrix products that incur fused multiply-accumulate (FMA) operations and memory traffic. To reduce these computations while retaining dense tensors for high GPU throughput, we develop a methodology from f...

Jed A. Duersch, Na\"im Es-Sebbani, Nathana\"el Haas et al. · 0 citations
#machine learning Conference Sep 2026

Efficient Learning and Symmetry Discovery under Exact Invariances

This paper presents the first polynomial-time algorithm for learning with exact group invariances that applies uniformly to finite and infinite groups, and shows that exact symmetries can be identified from data and exploited for learning in polynomial time.

Ashkan Soleymani, B. Tahmasebi, Patrick Jaillet et al. · 2 citations

On-the-go Forgetting without Explicit Unlearning via ERASE

This work introduces ERASE, Erasure via Reconstructive Adversarial Signal Editing, a framework for on-the-go forgetting that suppresses the observable influence of private data without modifying model weights, establishing a scalable, regulation-aligned pathway for continual, privacy-conscious learning.

Kushal Chakrabarti, Mayank Baranwal · 0 citations
#machine learning Preprint Sep 2026

Selective Posterior Margin Regularization for Forward-Corrected Classification

This work introduces Selective Posterior Margin Regularization (SPMR), which preserves the Forward objective and converts this disagreement into a graded update on the clean classifier and transfers to estimated transitions, human annotations, architectural changes, and stronger Forward recipes.

Ze-Xing Zhang, Ji-Chao Li, Tian-Yang Lei et al. · 0 citations
#machine learning Preprint Sep 2026

Online Learning with LLM Experts from Limited Feedback

This work studies adaptive routing of prompts to large language model experts to maximize response quality in an online setting with limited feedback and proposes algorithms that strategically select and observe rewards to minimize regret.

Wei Wang, Soumyabrata Pal, Koyel Mukherjee et al. · 1 citation
#machine learning Preprint Sep 2026

Connecting Score Matching, Maximum Likelihood, and Expectation-Maximization in Mixed Linear Regression

We study variance-preserving diffusion of the response in mixed linear regression (MLR) with unknown mixing weights. Our analysis separates the statistical guarantees of score matching from the loss geometry and optimization signal at a fixed diffusion noise level. The KL divergence links the denoising score matching o...

Zhankun Luo, Abolfazl Hashemi · 0 citations
#artificial intelligence Preprint Aug 2026

Spending Scarce Confirmatory PET Measurements: Target-Aligned Validation in A4/LEARN

This paper applies the A4/LEARN PET archive, treating observed PET as a design laboratory for scarce-confirmation studies and asks a deliberately operational question: when is simple transparent PET validation enough, and when is a fitted residual-uncertainty score worth the added complexity?

E. Cui, Qiang Yang, M. Zhang · 0 citations
#artificial intelligence Preprint Open access Sep 2026

PAC-CF: Calibrating Irreversible Frontier Pruning in LLM-Guided Search

LLM-guided search is usually adopted to solve complex tasks by ranking and pruning top-$K$ candidates based on evaluator scores. However, irreducible bias still exists even if popular methods, such as repeated sampling, are applied to reduce variance. Consequently, pruning may remove every continuation that can reach a...

Tianhao Qian, Jiayu Chen, Lixu Wang · 0 citations

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