Stratification and bundle structure of the set of conditioned invariant subspaces in the general case. - Josep Ferrer-Llop; Ferran Puerta; Xavier Puerta (Syst. Control. Lett., 2003)

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

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

On the perturbation of bimodal control linear systems. - M. Eulalia Montoro; Ferran Puerta; Xavier Puerta (Syst. Control. Lett., 2015)