Document Type: Research Paper


Department of Mathematics, Mashhad Branch, Islamic Azad University, P.O.Box 91735, Mashhad, Iran


In this paper, we introduce the notion of multi-fuzzy normed spaces and establish an asymptotic behavior of the quadratic functional equations in the setup of such spaces. We then investigate the superstability of strongly higher derivations in the framework of multi-fuzzy Banach algebras


Main Subjects

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