In this paper we study some classes of symmetric primitive matrix with trace nonzero, and obtain their characterization.

对含正对角元的对称本原矩阵的本原指数集的分布进行具体的研究，得到几类本原矩阵的分布规律。

youdao

A family of symmetric primitive matrix with small exponent is characterized, consequently a foundation is laid for the complete characterization of symmetric primitive matrix problem.

讨论了一类小指数对称本原矩阵的刻画问题，为对称本原矩阵的完全刻画奠定基础。

youdao