摘要
本文利用矩阵论和泛函分析知识,证明了在Hilbert空间中算子迹的Bellman不等式tr(AB)k≤tr(AkBk)当A,B为正迹类算子时,对一切自然数k都成立;当A,B为自伴迹类算子时,对一切偶数k都成立.
In this paper, by using the method of matrix theory and introductory functional analysis, Bellman inequalities of the trace of operators in Hilbert space are proved.
基金
四川省教委青年基金资助项目(川教计1998162)。