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#machine learning Preprint Sep 2026

Learning What to Evaluate: Correlation-Aware Decoupling for Multiobjective Bayesian Optimization

This work presents a new approach that leverages a multitask GP model to jointly learn all objectives and constraints, and proposes a total correlation metric that enables identifying an ${optimal}$ subset of objectives and constraints to be evaluated at every round, even under uniform evaluation costs.

Ashwin Renganathan, Peter Bachman · 0 citations
#machine learning Preprint Sep 2026

Agnostic Smoothed Online Regression with Adversarial Responses

A matching lower bound for the class of linear predictors is established and a challenging sequential covariate distribution supported on mutually orthogonal hyperplanes is constructed in explicitly constructing a challenging sequential covariate distribution.

Xuanyu Chen, Yue Yu · 0 citations
#machine learning Preprint Sep 2026

AECSF: Adaptive Ensemble Conditional Score Filtering for High-Dimensional Nonlinear Data Assimilation

A training-free adaptive ensemble conditional score filter is proposed, which recasts noisy posterior score estimation as estimating the conditional mean of the system state given a noisy reverse particle and the observation, and establishes a bound relating conditional-mean estimation errors to reverse-sampling endpoi...

Yang-Wen Zhang, Shi-Wei Ni, Xiao-Ping Zhang et al. · 0 citations

Overfitting of Spectral Gradient Descent: How Matrix Geometry shapes Generalization and Implicit Bias

We study the generalization of spectral gradient descent (SpecGD) in overparameterized matrix classification with corrupted labels. Each input combines a shared low-rank signal with a rank-one sample-specific perturbation, referred to as a shortcut, that enables memorization but does not generalize. We contrast collaps...

Guillaume Braun, Ichiro Hashimoto, Masaaki Imaizumi · 0 citations
#machine learning Preprint Sep 2026

High-Probability Guarantees for SGD under $\beta$-Heavy-Tailed Gradient Noise

This work model SGD gradient noise by adopting a Young function that preserves the finiteness of all polynomial moments while allowing tails heavier than sub-Weibull, including lognormal distributions, and establishes concentration inequalities for $\beta$-heavy-tailed noise.

Qi-Jun Tong, Masahiro Ikeda, Ryota Kawasumi · 0 citations
#machine learning Preprint Sep 2026

Uncertainty Quantification of Next Generation Reservoir Computing with Applications to Memory-Driven Dynamical Systems

Nonlinear dynamical systems with memory arise across science and engineering, yet uncertainty quantification for efficient forecasting methods such as Next Generation Reservoir Computing (NGRC) remains underdeveloped. We study Bayesian ridge and conformal prediction intervals for NGRC and characterize when their uncert...

L. Popa, Sumanta Basu, Martin T. Wells · 0 citations
#machine learning Preprint Sep 2026

Bridging Stochastic Flow Maps and Boltzmann Generators with Normalizing Flows

Normalizing Flow Flow Maps (NF$^2$M), which combines the strengths of recent stochastic flow maps with the tractability of classic normalizing flows to build a Boltzmann Generator, and is evaluated on peptide systems, demonstrating improved sampling efficiency and sample quality.

Louis Grenioux, Rui-Kang Ouyang, Lu-Huan Wu · 0 citations
#machine learning Preprint Open access Sep 2026

Statistical Testing for Multiple Instance Learning via Selective Inference with Applications to Computational Pathology

Multiple instance learning (MIL) is widely used in computational pathology because it enables weakly supervised analysis of whole-slide images (WSIs) without requiring patch-level annotations. In attention-based MIL, instances with high attention scores are often interpreted as diagnostically important regions and used...

Noriaki Hashimoto, Shuichi Nishino, Teruyuki Katsuoka et al. · 0 citations

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GPT-Lab Nov 3, 2026

Sovereignty Is the Option to Leave

Is your company’s AI sovereign? A practical guide for CIOs on AI vendor lock-in, EU Data Act switching, cloud sovereignty, and testing your exit plan before you need it. The post Sovereignty Is the Option to Leave appeared first on GPT-Lab.

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