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Stability of additive functional equation on discrete quantum semigroups

Journal: Sahand Communications in Mathematical Analysis (Vol.8, No. 1)

Publication Date:

Authors : ;

Page : 73-81

Keywords : Discrete quantum semigroup; Additive functional equation; Hyers-Ulam stability; Noncommutative geometry;

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We construct  a noncommutative analog of additive functional equations on discrete quantum semigroups and show that this noncommutative functional equation has Hyers-Ulam stability on amenable discrete quantum semigroups. The discrete quantum semigroups that we consider in this paper are in the sense of van Daele, and the amenability is in the sense of Bèdos-Murphy-Tuset. Our main result generalizes a famous and old result due to Forti on the Hyers-Ulam stability of additive functional equations on amenable classical discrete semigroups.

Last modified: 2018-02-03 20:15:01