A. Najati, M. R. Abdollahpour, E. Osgooei, and M. M. Saem University of Mohaghegh Ardabili, University of Mohaghegh Ardabili, Urmia University of Technology, University of Mohaghegh Ardabili
Abstract : In this paper we establish some new results on sums of Hilbert space frames and Riesz bases. We also provide a correction to some recently established results in \cite{sum}.
