本文研究了一类非结合代数的自同构。

In this paper, we study the automorphism of a type of non-associative algebra.

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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。

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.

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结果表明代数动力学方法对于具有非半单李代数结构的线性动力系统仍然适用。

It has also been shown that the algebraic dynamics might be generalized from the linear dynamic system with a semi-simple Lie algebra to that with a general Lie algebra.

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I want to show you how easy it is to change the code. But, notice, once I've added this I actually have a problem. This is now an under-constrained problem. I have more unknowns than I have equations.

我加上这个条件后,我马上面临一个问题了,这就是现在是一个非约束性问题了,我的未知数比方程数多,你从代数中可以知道。

麻省理工公开课 - 计算机科学及编程导论课程节选