This paper gives the definition of P-hereditary ring and discusses the necessary and sufficient condition about the submodule closure of cyclic module.
本文给出p—遗传环的定义及循环模的子模闭的充要条件。
2
In the first chapter, we discuss the fully graded algebras over discrete valuation ring with an algebraically closed residue field of characteristic p.
第一章中，我们研究了剩余域是代数闭域的离散赋值环上的完全分次代数；
3
They can generate a P-rough integral chain, P-rough integral ring and P-rough integral ring chain.