Project supported by grant No.KRF-2000-015-DP0038.
The authors prove the Hyers-Ulam-Rassias stability of the quadratic mapping in Banachmodules over a unital C*-algebra, and prove the Hyers-Ulam-Rassias stability of the quadraticmapping in Banach modules over a unital...
Supported by NSFC(10171014);Doctoral Programme Foundation of Institution of Higher Education and the Foundational of Fujian Educational Committee(JA02166)