查询词典 algebra over k

The arguments on the necessary for quantized evaluation toward quality of services of multicast in Overlay networks are given. The concept of twodegree homeomorphism reduction multicast tree is introduced, extend Bowman's method for evaluating QoS of unicast dataflow by using stochastic process algebra is promoted, a modeling scheme is proposed for quantized evaluating QoS of concrete multicast instances in Overlay networks with simulation tool PEPA workbench.

论述了对Overlay网络中组播的服务质量进行量化评价的必要性，引入了组播树二度同胚约简的概念，推广了Bowman评价单播数据流服务质量的随机进程代数方法，提出用随机进程代数对Overlay网络中组播的服务质量进行评价的建模方案，并用PEPA workbench模拟工具针对具体的组播实例的服务质量进行了定量分析。

In §2, four met0hods for solving the integrable second order homogeneous linear ordinary differential equation with variable coefficientsy +py'+Qy=0 are given. Thus, the equation can be solved by means of elementary integrals and algebra.

给出了二阶变系数线性方程y＂＋py＇＋Qy＝0在可积的条件下的几种不同的求解方程，从而说明了这种可积的二阶方程不仅能用初等积分法求解而且也可以把它代数化，并使其通解公式化。

When it came to 1940s, with the springing up of homological algebra, module theory went a step further.

到了四十年代，由于环论的需要以及同调代数的兴起，模的理论更进一步得到了发展。

The main contents are modules on rings,representations of groups and character theory, categories, and homological algebra.

它为数学系各方向的研究生，提供基本的现代代数学的思想、方法、和工具。

Homological algebra plays such an important part in modern developments.

同调代数在现代发展中起了如此重要的作用。

The subject of relative homological algebra was introduced by S.

相对同调代数是S。

This makes it urgent to develop system-atically a theory of DG homological algebra.

发展一套系统的微分分次同调代数理论显得非常迫切。

Actually function-tree is an application of Boolean theory. Function-tree can be optimized by using absorptive law and idempotent law in Boolean algebra to remove redundant information.

功能树本质上可视为是布尔代数理论的一种应用，从而利用布尔代数的吸收律、幂等律来消除功能树中的冗余信息，对功能树进行优化处理。

From the view of algebra,the concrete constructions of ideal s and ideal conuclei on right-sided and idempotent Quantale are studied,and it is proved that every ideal is a principal ideal and every ideal conucleus is simple.

从代数角度研究了右侧幂等Quantale中的理想和理想余核的具体结构，并且证明了右侧幂等Quantale中的理想和理想余核分别是主理想和简单理想余核。

Since I behaves like the number 1 in ordinary algebra it is called the identity matrix.

由于工具有普通代数中数1的性质，称它为幺矩阵。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48