Superstability of Generalized Module Left Higher Derivations on a Multi-Banach Module

T. L. Shateri () and Z. Afshari ()
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T. L. Shateri: Department of Mathematics and Computer Sciences
Z. Afshari: Department of Mathematics and Computer Sciences

A chapter in Handbook of Functional Equations, 2014, pp 353-365 from Springer

Abstract: Abstract The problem of stability of functional equations was originally raised by Ulam in 1940. During the last decades, several stability problems for various functional equations have been investigated by several authors. In this chapter, by defining a multi-Banach space, we introduce a multi-Banach module. Also, we define the notion of generalized module left higher derivations and approximate generalized module left higher derivations. Then, we discuss the superstability of an approximate generalized module left higher derivation on a multi-Banach module. In fact, we show that an approximate generalized module left higher derivation on a multi-Banach module is a generalized module left higher derivation. Finally, we get the similar result for a linear generalized module left higher derivation.

Keywords: Superstability; Multi-Banach module; Derivation; Normed space; Group homomorphisms; Bimodule; Multi-Banach space (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:spr:spochp:978-1-4939-1286-5_16

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DOI: 10.1007/978-1-4939-1286-5_16

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