Shorting Dynamics and Structured Kernel Regularization

Fuente: arXiv
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Autore principale: Tian, James
Natura: Preprint
Pubblicazione: 2025
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author Tian, James
author_facet Tian, James
contents This paper develops a nonlinear operator dynamic that progressively removes the influence of a prescribed feature subspace while retaining maximal structure elsewhere. The induced sequence of positive operators is monotone, admits an exact residual decomposition, and converges to the classical shorted operator. Transporting this dynamic to reproducing kernel Hilbert spaces yields a corresponding family of kernels that converges to the largest kernel dominated by the original one and annihilating the given subspace. In the finite-sample setting, the associated Gram operators inherit a structured residual decomposition that leads to a canonical form of kernel ridge regression and a principled way to enforce nuisance invariance. This gives a unified operator-analytic approach to invariant kernel construction and structured regularization in data analysis.
format Preprint
id arxiv_https___arxiv_org_abs_2512_04874
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Shorting Dynamics and Structured Kernel Regularization
Tian, James
Functional Analysis
Machine Learning
Primary: 47N30, Secondary: 46E22, 47B65, 62J07, 68T05
This paper develops a nonlinear operator dynamic that progressively removes the influence of a prescribed feature subspace while retaining maximal structure elsewhere. The induced sequence of positive operators is monotone, admits an exact residual decomposition, and converges to the classical shorted operator. Transporting this dynamic to reproducing kernel Hilbert spaces yields a corresponding family of kernels that converges to the largest kernel dominated by the original one and annihilating the given subspace. In the finite-sample setting, the associated Gram operators inherit a structured residual decomposition that leads to a canonical form of kernel ridge regression and a principled way to enforce nuisance invariance. This gives a unified operator-analytic approach to invariant kernel construction and structured regularization in data analysis.
title Shorting Dynamics and Structured Kernel Regularization
topic Functional Analysis
Machine Learning
Primary: 47N30, Secondary: 46E22, 47B65, 62J07, 68T05
url https://arxiv.org/abs/2512.04874