Feedback invariants of supplementary pairs of matrices. - Itziar Baragaña; Ion Zaballa (Autom., 1997)

Characterization of the Hermite indices of the pair (A+BF, B). - Itziar Baragaña; Victoria Fernández; Ion Zaballa (CDC, 2000)

Linear Systems with Prescribed Similarity Structural Invariants. - Itziar Baragaña; Victoria Fernández; Ion Zaballa (SIAM J. Control. Optim., 2000)

Feedback invariants of restrictions - a polynomial approach. - Ion Zaballa (Autom., 2001)

Wiener–Hopf Factorization Indices and Infinite Structure of Rational Matrices. - Agurtzane Amparan; Silvia Marcaida; Ion Zaballa (SIAM J. Control. Optim., 2004)

On the Geometry of the Solutions of the Cover Problem. - Ferran Puerta; Xavier Puerta; Ion Zaballa (SIAM J. Control. Optim., 2006)

Hermite Indices and Jordan Structure of a Perturbed Linear System. - Itziar Baragaña; Victoria Fernández; Ion Zaballa (SIAM J. Matrix Anal. Appl., 2007)

On the geometry of the generalized partial realization problem. - Itziar Baragaña; Ferran Puerta; Xavier Puerta; Ion Zaballa (Math. Control. Signals Syst., 2010)

Parametrising the solutions of the generalised partial realisation problem through an atlas of coordinates. - Itziar Baragaña; Ferran Puerta; Ion Zaballa (Int. J. Control, 2013)

Differentiable structure of realizable Markov parameters. - Itziar Baragaña; Ferran Puerta; Ion Zaballa (Syst. Control. Lett., 2013)

Triangularizing Quadratic Matrix Polynomials. - Françoise Tisseur; Ion Zaballa (SIAM J. Matrix Anal. Appl., 2013)

On the Inverse Symmetric Quadratic Eigenvalue Problem. - Peter Lancaster; Ion Zaballa (SIAM J. Matrix Anal. Appl., 2014)

Strong Linearizations of Rational Matrices. - Agurtzane Amparan; Froilán M. Dopico; Silvia Marcaida; Ion Zaballa (SIAM J. Matrix Anal. Appl., 2018)

Reduction of Matrix Polynomials to Simpler Forms. - Yuji Nakatsukasa; Leo Taslaman; Françoise Tisseur; Ion Zaballa (SIAM J. Matrix Anal. Appl., 2018)

On minimal bases and indices of rational matrices and their linearizations. - Agurtzane Amparan; Froilán M. Dopico; Silvia Marcaida; Ion Zaballa (CoRR, 2019)

Spectral filters connecting high order systems. - Agurtzane Amparan; Silvia Marcaida; Ion Zaballa (Appl. Math. Comput., 2021)