【摘要】 设Mc=A C0 B∈B(XY)为定义在Banach空间X Y上的上三角算子矩阵,讨论了Browder定理对Mc成立的一些充分条件,并对文献[9]中的定理2.1举反例指明失误,并进行了修正.更多还原

【Abstract】 Let Mc=A C0 B∈B(XY) be an upper triangular operator acting on the Banach spaces B(XY),this paper explores the condition under which Browder’s theorem survive for upper triangular operator matrices.And by giving a counter-example,the author points out that one of the result(theorem 2.1) in the paper[9] is wrong, and provides a solution.更多还原