本文讨论了C代数中的全正映射,推广了[1]中命题2.5的结果。本文利用[2]中的记号、设H_i是Hilbert空间,H_1(?)H_2是H_1与H_2的代数张量积,任给ξ=sum from I=1 to n ξ_(1I)(?)ξ_(2I)∈H_1(?)H_2,η=sum from j=1 to m η_(1j)(?)η_(2j...
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...