There are four “simple” families of Lie groups and five others—this beingmathematics—that are notquite so simple.
李群有多个族组成，四族“简单”的和其他五族在数学上而言不那么简单的。
The representation theory of simple Lie groups has now been established as one of the most useful tools in modern physics.
单纯李群的表示论已经成为研究现代物理学最有用的数学工具之一。
应用推荐