arXiv AI

Physics-Informed Support Vector Kernels via Green-Function Analogies and Jackson-Chebyshev Spectral Design

The paper proposes a physics‑informed kernel design for support vector regression, using Green’s function analogies and Jackson‑Chebyshev spectral methods to construct a positive‑semidefinite kernel without requiring exact correspondence to a physical propagator. The resulting Jackson‑damped Chebyshev kernel provides an explicit feature map and a spectral prior tailored to structured observables. The authors benchmark the kernel on several physical regression tasks—including copper conductivity, Dirac‑like band dispersion, quartic‑oscillator energy levels, photonic‑crystal transmission, and Fibonacci‑chain transmission—using nested validation, learning curves, and comparisons to random‑forest, multilayer‑perceptron, and Nyström baselines.

arXiv Machine Learning
Jul 30

PIKS: Universal Physics-Informed Kernel Methods

arXiv:2607. 27062v1 Announce Type: cross Abstract: Physics-informed machine learning incorporates physical principles --often expressed via differential operators-- into data-driven models.

By Joachim Bona-Pellissier, Giacomo Meanti, Matteo Santacesaria, Lorenzo Rosasco
arXiv Machine Learning
Jul 13

Is data-efficient learning feasible with quantum models?

arXiv:2508. 19437v2 Announce Type: replace-cross Abstract: The importance of analyzing nontrivial datasets when testing quantum machine learning (QML) models is becoming increasingly prominent in literature, yet a cohesive framework for understanding dataset characteristics remains elusive.

By Alona Sakhnenko, Christian B. Mendl, Jeanette M. Lorenz
arXiv Machine Learning
Aug 24

Shared Physics Responses Recover Hidden Rankings in Neural Operator Libraries

The paper introduces a method for selecting the best neural‑operator model during deployment without needing high‑fidelity reference solutions. By using a squared Hilbert‑space loss, the authors show that ranking a finite library of models depends only on the low‑dimensional span of candidate differences, enabling simultaneous scoring of all models with a single anchor‑based linearized response of the governing equation. This shared physical diagnostic accurately recovered over 99.6% of pairwise preferences and 99.0% of optimal checkpoints across diverse Fourier and convolutional operator libraries for fluid, reaction‑diffusion, and wave dynamics, and often outperformed the best individual candidates.

By Hanbing Liang, Fujun Liu