Perturbation Theory of Transfer Function Matrices. - Vanni Noferini; Lauri Nyman; Javier Pérez; María C. Quintana (SIAM J. Matrix Anal. Appl., 2023)

Riemann-Oracle: A general-purpose Riemannian optimizer to solve nearness problems in matrix theory. - Miryam Gnazzo; Vanni Noferini; Lauri Nyman; Federico Poloni (CoRR, 2024)

A Riemannian Optimization Method to Compute the Nearest Singular Pencil. - Froilán M. Dopico; Vanni Noferini; Lauri Nyman (SIAM J. Matrix Anal. Appl., 2024)

Finding the nearest Ω-stable pencil with Riemannian optimization. - Vanni Noferini; Lauri Nyman (CoRR, 2025)