In this paper we extend the notion of approximate dual to fusion frames and present some approaches to obtain alternate dual and approximate alternate dual fusion frames. We also study the stability of alternate dual and approximate alternate dual fusion frames.
AREFIJAMAAL, ALI AKBAR and NEYSHABURI, FAHIMEH ARABYANI
"Some properties of alternate duals and approximate alternate duals of fusion frames,"
Turkish Journal of Mathematics: Vol. 41:
5, Article 11.
Available at: https://journals.tubitak.gov.tr/math/vol41/iss5/11