Author

Laura Balzano

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Preprint Sep 2026

A Frequency Domain Approach to Bounding Riccati Equation Perturbations

The discrete algebraic Riccati equation (DARE) is used to solve for the optimal feedback gain in linear-quadratic regulator (LQR) control of discrete-time systems. In this letter, we consider the effect of perturbations to the LQR data on the DARE solutions. We present a new frequency domain approach to derive an expli...

Rachel Newton, Laura Balzano, Peter J. Seiler · 0 citations

#machine learning Open access May 2025

ALPCAHUS: Subspace Clustering for Heteroscedastic Data

This paper develops a heteroscedastic-based subspace clustering method that can estimate the sample-wise noise variances and use this information to improve the estimate of the subspace bases associated with the low-rank structure of the data.

Javier Salazar Cavazos, Jeffrey A. Fessler, Laura Balzano · IEEE Transactions on Signal... · 1 citation