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1·Lie algebras of derivations of n-differential operator algebra.

元微分算子代数的导子李代数结构。

2·The only thing they have in common is that both are what's called a first order differential operator.

它们唯一共同之处就是,它们都被叫作一阶微分算子。

3·The differential operator theory has many applications in the field of mathematical physics, mechanics and so on.

微分算子理论在数学物理、力学等领域有着广泛应用。

4·The former is called the spectra analysis of a differential operator and the latter is the inverse spectra problem.

前者称为微分算子的谱分析，后者称为逆谱问题。

5·The Hamiltonian of the system is the Driac operator which as a matrix differential operator is not semibounded from below.

系统的哈密顿函数是作为矩阵微分算子的狄拉克算子，它不是半有界的。

6·Chapter one is divided into two parts: in the first part, we give the simple summarize of adjointness of differential operator product;

第一章：引言和预备知识部分，主要是关于微分算子的积算子自伴的研究情况和对称微分算子的一些基本知识。

7·The problem of minimum_energy optimal control for multivariable linear systems determined by a class of differential operator matrixes is investigated.

考察由一类微分算子阵描述的多变量线性系统的极小能最优控制问题。

8·According to the fundamental equation of steady current field, the corresponding functional equation is obtained by use of the linear differential operator.

从稳定电流场基本方程出发，通过定义线性微分算子，推导出与之等价的泛函方程。

9·In comparison with the differential operator and its inverse - integral operator, the difference operator and its inverse (sum operator) are discussed in this paper.

与微分算子及其逆算子积分算子作比较，讨论了差分算子及其逆算子(和分)。

10·The global Fourier transform can also be obtained by switching (up to sign) the multiplication by a coordinate of the affine line and the differential operator with respect to this coordinate.

它等同于通过交换(可能差一个正负号)由局部坐标给出的数乘和这个局部坐标相对应的微分算子得到的微分模。