【摘要】 本文研究了四元数方阵的数值域的若干个性质；同时给出了四元数矩阵的数值半径幂的不等式。从而推广了曹重光教授的结果，且部分结果在复数矩陈论中也是新的。更多还原

【Abstract】 In the paper we study properties of numerical Range of quaternion square ma-trix and give the power inequalities for the numerical radius. Moreover Professor C. G. Cao.results are generalized. Some results are also new on complex matrix theory.更多还原