最后对根投射模的自同态环进行了讨论。
Finally, the endomorphism ring of radical-projective modules is discussed.
本文给出并证明了右遗传、右完备环上投射模的对偶模仍然是投射模。
This Paper gives and proves the dual module of a projective module over aright hereditary and right perfect ring is stil projective.
本文定义并研究了广义rigid环，并讨论了环上有限生成投射模的性质。
In this paper, we define and study GR rings and finitely generated projective modules over them.
本文刻划了包含投射模的几乎可裂序列，给出以投射模为首项和中间项的几乎可裂序列的特性。
We describe the properties of the almost split sequence containing projective module as the first term and the middle term.
对交换环定义了广义p F环的概念，即一切具有常数秩的有限生成投射模都为自由模的交换环。
A generalization of PF rings relative to commutative rings: rings all finitely generated projective modules with constant rank of which are free is defined.
在第一章中我们给出了本文所需用的一些基本定义，以及给出了有关投射模、IF环和半单环等的一些重要已知结论。
In chapter one, we provide some basic known definitions and important conclusions of projective modules, IF rings and semi-simple rings, and so on, which are needed in the paper.
在第一章中我们给出了本文所需用的一些基本定义，以及给出了有关投射模、IF环和半单环等的一些重要已知结论。
In chapter one, we provide some basic known definitions and important conclusions of projective modules, IF rings and semi-simple rings, and so on, which are needed in the paper.
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