In the new algorithm,the group was pided into two sub-groups,general sub-group and elite sub-group.
将种群划分为规模较小的精英子群和规模较大的普通子群。
Some algebraic groups are discussed by looking into the lattice of their closed connected normal subgroups.
通过对代数群的连通正规闭子群格的讨论研究代数群。
There are particular relations between the closed connected normal subgroups of algebraic groups and the ideals of Lie Algebras.
代数群的连通正规闭子群与李代数的理想之间有很特殊的关系。