摘要
Let D= {{0},/4, L, M, X} be a strongly double triangle subspace lattice on a nonzero complex reflexive Banach space X, which satisfies that one of three sums K ＋ L, L＋M and M ＋ K is closed. It is shown that local C-derivations and C-derivations at zero point on Alg：D are generalized Ф-derivations.
Let D= {{0},/4, L, M, X} be a strongly double triangle subspace lattice on a nonzero complex reflexive Banach space X, which satisfies that one of three sums K ＋ L, L＋M and M ＋ K is closed. It is shown that local C-derivations and C-derivations at zero point on Alg：D are generalized Ф-derivations.
基金
Supported by the National Natural Science Foundation of China (Grant No.10871224)
the Natural Science Young Foundation of Shaanxi Province (Grant No.2010JQ1003)
the Natural Science Special Foundation of Education Department of Shaanxi Province (Grant No.08JK344)
the Basic Research Foundation of Xi'an University of Architecture and Technology (Grant No.JC1009)
