Characterization of dual Riesz fusion bases by using approximate duals

Research paper by Ali Akbar Arefijamaal, Fahimeh Arabyani Neyshaburi

Indexed on: 12 Jan '16Published on: 12 Jan '16Published in: Mathematics - Representation Theory


In this paper we extend the notion of approximate dual to fusion frames and present some approaches to obtain dual and approximate dual fusion frame. As a consequence all duals of Riesz fusion bases are characterized. Finally, we study the stability of dual and approximate dual fusion frames.