A note on generalized derivations in Banach algebras

作者：Liu Cheng Kai^*

来源：Journal of Mathematical Analysis and Applications, 2011, 384(2): 192-197.

DOI：10.1016/j.jmaa.2011.03.059

• Banach algebra
• Radical
• Spectrum
• Generalized derivation

In this note we characterize a complex Banach algebra A admitting a generalized derivation g such that the cardinality of the spectrum sigma (g(x)) is exactly one for all x is an element of A.

• 出版日期2011-12-15