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APPROXIMATE BI-HOMOMORPHISMS AND BI-DERIVATIONS IN C*-TERNARY ALGEBRAS: REVISITED

  • Cho, Young (Faculty of Electrical and Electronics Engineering Ulsan College West Campus) ;
  • Jang, Sun Young (Department of Mathematics University of Ulsan) ;
  • Kwon, Su Min (Department of Mathematics Hanyang University) ;
  • Park, Choonkil (Department of Mathematics Research Institute for Natural Sciences Hanyang University) ;
  • Park, Won-Gil (Department of Mathematics Education Mokwon University)
  • Received : 2013.03.14
  • Accepted : 2013.04.25
  • Published : 2013.06.30

Abstract

Bae and W. Park [3] proved the Hyers-Ulam stability of bi-homomorphisms and bi-derivations in $C^*$-ternary algebras. It is easy to show that the definitions of bi-homomorphisms and bi-derivations, given in [3], are meaningless. So we correct the definitions of bi-homomorphisms and bi-derivations. Under the conditions in the main theorems, we can show that the related mappings must be zero. In this paper, we correct the statements and the proofs of the results, and prove the corrected theorems.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea

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  1. C*-Ternary Biderivations and C*-Ternary Bihomomorphisms vol.6, pp.3, 2018, https://doi.org/10.3390/math6030030