linear preserver

基本解释

In past decade, "linear preserver problem"has been one of the most active subjects in matrix theory.
近几十年，“线性保持问题”已经成为矩阵论中最活跃的课题之一。
Linear preserver problem(LPP for short) concerns the characterization of linear operators on matrix spaces that leave certain functions, subsets, relations, etc.
线性保持问题（简称LPP）刻画在矩阵空间上保持特定的函数，子集，关系等不变的线性算子。
Characterizing linear mappings on matrix that satisfy preserving invariant, is often referred to as the research in the area of so called linear preserver problems.
刻画矩阵集之间保不变量的线性算子被称为线性保持问题的研究。

线性保持
"Linear preserver problems" is a both old and young project. It has more than one hundred years old.
“线性保持问题”是一个既古老而又年轻的课题，这一课题已有一百多年的历史，至今仍十分活跃而且不断涌现出大量新的研究结果。