Author

Tong-Xin Li

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Preprint Oct 2026

A short open space curve of unit width

In this work, we propose a curve to be a minimum of length among rectifiable, continuous curves of unit width in three-dimensional Euclidean space. We show that a previously conjectured minimizer of that problem is not of unit width, give the numerical derivation of a candidate family of unit width curves, prove that i...

T. Bartels, Dennis Kevin Choy, Rui-Xiang Wu et al. · 0 citations

#machine learning Preprint Sep 2026

Ask for Any Appliance: A Prompt-Programmable Foundation Model for Non-Intrusive Load Monitoring

Non-intrusive load monitoring (NILM) estimates appliance-level consumption from a whole-home meter, but appliance-specific models and fixed output inventories make coverage costly to extend. We present FM4NILM (Foundation Model for NILM), a single prompt-programmable model that estimates a requested appliance's power t...

Xu-Dong Wang, Jia-Cheng Cui, Jun-Yu Xue et al. · 0 citations

#machine learning Preprint Sep 2026

GLASS: Graph-Language Alignment with Spherical Scoring for Transferable Graph-Level Anomaly Detection

GLASS is introduced, a framework for graph-level anomaly detection (GLAD) that achieves robust cross-domain transferability through graph-language alignment on the unit hypersphere and Spherical Multi-Modal Scoring (SMS), which instantiates von Mises-Fisher kernel density estimators in both graph and text embedding spa...

Xu-Dong Wang, Chris Ding, Tong-Xin Li et al. · 0 citations