讨论一类不可分解的∑e^1型Banach空间上有界线性算子的话的特殊性质;给出∑e^1型Banach空间上(B)∑e^1型良有界算子的一些性质.
Discusses the special properties of the spectrum of bounded linear operators on a class of indecomposable ∑e^1 type Banach spaces, gives some properties of the well-bounded operators of type (B) on such spaces.