Abstract and Applied Analysis
Volume 2008 (2008), Article ID 915292, 8 pages
Approximation of Generalized Left Derivations
1Department of Industrial Mathematics, National Institute for Mathematical Sciences, Daejeon 305-340, South Korea
2Department of Mathematics, Mokwon University, Daejeon 302-729, South Korea
Received 26 February 2008; Accepted 15 April 2008
Academic Editor: Paul Eloe
Copyright © 2008 Sheon-Young Kang and Ick-Soon Chang. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
We need to take account of the superstability for generalized left
derivations (resp., generalized derivations) associated with a Jensen-type
functional equation, and we also deal with problems for the Jacobson radical
ranges of left derivations (resp., derivations).