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data science

2,791 papers

#machine learning Preprint Open access Sep 2026

Score-based Outlier Generation via Controlling the Radon-Nikodym Derivative

Outliers are important for stress-testing algorithms and understanding system behaviour under rare conditions. Despite being commonly described as low-likelihood events, existing generative approaches rarely control likelihood explicitly. In this work, we introduce a measure-theoretic notion of outliers based on the di...

Amartya Mukherjee, Tristan Milne, Kry Yik-Chau Lui et al. · 0 citations
#machine learning Preprint Sep 2026

DCRA: Diffusion-Conditioned Representation Alignment for Robust Time-Series Learning

Diffusion-Conditioned Representation Alignment (DCRA), a training framework that repurposes the forward diffusion process as a structured corruption scheduler for representation learning, and produces more balanced and structured representations compared to baseline and diffusion-only models.

Wen-Rui Xu, Anas Enanaa, Keshab K. Parhi · 0 citations
#artificial intelligence Preprint Open access Sep 2026

An ab initio foundation model of wavefunctions that accurately describes chemical bond breaking

Reliable description of bond breaking remains a major challenge for quantum chemistry due to the multireference character of the electronic structure in dissociating species. Multireference methods in particular suffer from large computational cost, which under the normal paradigm has to be paid anew for each system at...

Adam Foster, Zeno Sch\"atzle, P. Bern\'at Szab\'o et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Linear Exponential Quadratic Gaussian Covariance Steering

We formulate and analyze the linear exponential quadratic Gaussian (LEQG) covariance steering problem in continuous time over a given deadline (finite time horizon). The solution for this problem can be seen as a risk-sensitive Schr\"{o}dinger bridge between Gaussian endpoints in the linear quadratic setting. Unlike th...

C. Cherian, Yasemin Isik, A. Halder · 0 citations
#machine learning Preprint Aug 2026

DAIF: A Data-Driven Intermediate Fusion Framework for Multimodal Supervised Learning via Approximate Message Passing

DAIF is proposed, a data adaptive intermediate fusion framework that combines random matrix theory and non-parametric dependence measures to learn fusion structure directly from data to demonstrate its versatility across diverse supervised learning tasks.

Sagnik Nandy, Samriddha Lahiry, Pragya Sur et al. · 0 citations
#data science Jul 2026

Sharp Stability Threshold and Certification for Designing Stable Residual Architectures

We propose \emph{the sublinear-growth principle} for deep residual architectures -- a sharp stability threshold on the input-magnitude exponent of every residual block's velocity field: $$\|v(x, t)\| \leq c\,\|x\|^q + b, \qquad q \in [0, 1].$$ The threshold $q = 1$ is established via two independent arguments. Classica...

Hyemin Gu, Michael Tyrrell, T. Sahai et al. · 0 citations

THGFM: Dual-Branch Temporal Heterogeneous Graph Fusion Model

THGFM is proposed, a web-scale temporal heterogeneous graph fusion model that addresses both limitations within a unified dual-path architecture and directly incorporates relative time into the attention score.

Yi-Xin Peng, Diego Collarana, Er Jin et al. · 0 citations
#artificial intelligence Preprint Open access Sep 2026

Domain Elastic Transform: Bayesian Function Registration for High-Dimensional Scientific Data

Nonrigid registration is conventionally divided into point set registration, which aligns sparse geometries, and image registration, which aligns continuous intensity fields on regular grids. This dichotomy is limiting for emerging scientific data such as spatial transcriptomics, where high-dimensional vector-valued fu...

Osamu Hirose, Emanuele Rodola · 0 citations

Chaos Is a LADDER: Domain Generalization Beyond Invariance via Reweighting

Domain generalization (DG) aims to learn from multiple source domains and generalize to unseen target domains. Most DG methods pursue invariance: they seek a causal representation whose prediction rule is invariant across domains. This principle is effective when the causal mechanism is stable, but becomes restrictive...

Yuhang Jiang, Feng-Chuan Zhang, Sanguo Zhang et al. · 0 citations
#artificial intelligence Review Aug 2026

VALG: An Agentic System for ML Theory Research

VALG, an agentic system that combines multi-level Verification, Adaptive formulation of Learning-theory problems, and Graph-structured proof development, is developed, an agentic system that combines multi-level Verification, adaptive formulation of Learning-theory problems, and Graph-structured proof development.

Dechen Zhang, Xuan Tang, Xinxiang Yin et al. · 1 citation

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