Summurize some basic charictristics the ring homomophism keeps through classified discussion on the property of the ring.Bade on that,we can control certain charictristics and get some critical theories.This paper proves some important theories through the controlling.By controlling the zero factor,some peoblems can be avoided effectively and some conclusions can be made more easily.Ring homomophism is the clue going through the whole paper and the conclusions are made gradually with increasing difficulties
英语翻译通过对环的性质进行分类讨论,归纳出环的同态所保持的一些基本性质.在这一基础上对环的某些性质进行限制可以得出一些非