摘要
本文回答了S.M.Patel提出的问题,同时引进了联合ρ-膨胀及广义联合数值域的概念,得到了若干结果.
In this paper, we answer in the affirmative the S.M.Patel's problem in [1], and study some problems of joint ρ-dilations and generalized joint numerical ranges.
基金
学院青年教师科研基金部分资助课题.
关键词
联合ρ-膨胀
广义
联合数值域
joint ρ-dilation
generalized joint numerical range