Special Modules and Excellent Extentions

主要考察在S环是环R的优越扩张前提下,一些诸如拟内(投)射模,CS模,Gorenstein模等特殊模在环与环之间保持的情况. Let ring S be an excenllent extension of ring R . We are concerned with some special Modules ofR , such as quasi-injective, CS-module, Gorenstein module ets, whose concepts can hold in the excenllent extension.广西民族大学青年基金项目(0509QN0029

Exploration of a New Practical Teaching System for Mathematics and Applied Mathematics Specialty in University for Nationalities

针对民族院校数学与应用数学本科专业(简称"数本专业")新形势下的专业定位、人才培养目标及生源结构变化,从2005年起,笔者对教学计划做出重大调整,修改了原有实践模块,提出专业主干课实践教学与其它实践环节并重的实践教学新模式,重构数本专业实践教学新体系.经过实践表明,该专业实践教学新体系的实施对提高学生的知识应用能力和创新能力起着较大的促进作用.As professional orientation, personnel training target and enrollment are changed in the new situation of university for nationalities＇ undergraduate education in mathematics and applied mathematics （short as ＂mathematics major＂）. Since 2005, we have made a significant adjustment to the teaching plan, and modify old practice module, which puts forward to a new culturing model of making the practical teach- ing in professional courses equal to other aspects, reconstructs a new system of teaching practice for mathematics major. In prove to the practice, this system plays a great part in improving the students＇abilities of application of knowledge and creativity.“十一五”新世纪广西高等教育教改工程项目(桂教高教[2006]194号

Discrete Mathematics Course Teaching Method to Study the Basic Concept

针对离散数学课程中基本概念,结合离散数学课程的特点及多年来的教学实践经验,从课程性质及其特点,基本概念性重要性入手,对离散数学课程中的基本概念教学方法总结和探讨,这些方法有助于提高离散数学课程的教学效果。According to the basic concept of discrete mathematics course,combining the characteristics of the discrete mathematics course and the practical teaching experience for many years,from the curriculum properties and characteristics,basic conceptual importance,discrete mathematics course to the basic concepts of the teaching method was summarized and discussed,the method is helpful to improve the discrete mathematics course teaching effect.The method in this paper to other course concepts teaching is of high reference value.2010年新世纪广西高等教育教改工程立项项目“软件工程人才培养模式研究与实践”(2010JGA023