IJPAM: Volume 107, No. 3 (2016)
A NOTE ON INNER AUTOMOROPHISM
ON BANACH ALGEBRAS
ON BANACH ALGEBRAS
A. Zivari-Kazempour
, M. Firouzeh
Department of Mathematics
University of Ayatollah Borujerdi
Borujerd, IRAN



University of Ayatollah Borujerdi
Borujerd, IRAN
Abstract. In this paper we prove that every unital Banach algebra is commutative if and only if
, where
is the identity map on
. Some related result are given as well.
Received: January 27, 2016
AMS Subject Classification: 46L05, 46H25
Key Words and Phrases: inner automorphism, bounded approximate identity, Banach algebra
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DOI: 10.12732/ijpam.v107i3.14 How to cite this paper?
Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395
Year: 2016
Volume: 107
Issue: 3
Pages: 667 - 672
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This work is licensed under the Creative Commons Attribution International License (CC BY).