Every subring of the ring of algebraic integers is non-inductive.
代数整数环的每个子环都不是归纳环。
2
An identification edge structure is put forward to represent non manifold modeling, which is built on the concepts and methods of the complex and CW complex in algebraic topology.
提出了一个非流形结构的表示方法——粘合边结构，其数学基础是代数拓扑中的复形理论。
3
Uses a reduced-Newton algorithm with a weak line search to solve a set of non-linear algebraic equations.