Reconstruction of splines from local average samples. - G. Pérez-Villalón; Alberto Portal (Appl. Math. Lett., 2012)

Computation of wavelet coefficients from average samples. - G. Pérez-Villalón; Alberto Portal (J. Comput. Appl. Math., 2013)

On the minimum number of general or dedicated controllers required for system controllability. - Alberto Portal; Pedro J. Zufiria (Appl. Math. Comput., 2019)