摘要
利用δ格中的既约商及主既约商的弱射影和射影的性质得到了δ格是简单格的一个充分必要条件。
The necessary and sufficient condition of lattice δ being simple lattice is obtained by weak projective of reduced quotient and principal reduced quotient in lattice δ and projective property.
出处
《包头职业技术学院学报》
2009年第3期20-,23,共2页
Journal of Baotou Vocational & Technical College
关键词
δ格
既约商
主既约商
简单格
lattice δ
reduced quotient
principal reduced quotient
simple lattice
