亏数

盈数的因子的总和大于数字本身，而亏数的因子的总和小于数字本身。

In an abundant number , the sum of the factors is greater than the number , and in a deficient number , the sum of the factors is less than the number .

本文采用亏数为2的分段三次样条函数描述最优控制函数，使塔式起重机定位这个奇异最优控制问题转化为多变量参数极小问题。

In this paper , by applying piecewise cubic splines of deficient number 2 to describe the control function , the singular optimal control problem of tower crane positioning is converted to multivariable parametric minimization problem .

分类器确定正整数为过剩数（abundant）、完全数（perfect）或亏数（deficient）。

The classifier determines if a positive integer is abundant , perfect , or deficient .

若过图G的每条边都有一个亏数为d的伪对集，则称图G为亏数d-复盖图。

If for every edge e of a graph G there is a defect-d pseudo matching containing e , thenG is called a defect-d covered graph .

关于Betti亏数的一个结果的改进

Improvement of a result on the Betti deficiency number of graphs

图的生成树，基本圈与Betti亏数

Spanning Trees , Basic Cycles and Betti Deficiency of a Graph

3-边连通图的Betti亏数与奇度点

Betti Deficiency of 3-Edge Connected Graphs with Odd Degree Vertices

关于图的Betti亏数的一个性质

A Characterization on the Betti Number of Graphs

图的直径与Betti亏数

Diameter and Betti deficiency of Graphs

本文研究了一类定义在实轴区间上亏数为1的复三次样条的保凸条件，推广了文〔2〕C￣2连续的实三次多项式样条的相应结果。

In this paper we study the convex-preserving condition for a class of complex cubic splines which are defined in an interval of the real axis and have defect 1.The purpose of this paper is to generalize the conver-preserving condition for real cubic spline to the complex situation .

本文利用G的支配数和围长给出了G的Betti亏数ξ（G）的一个上界，从而也给出了最大亏格γM（G）的一个下界，而且它是可达的；

This paper establishes an upper bound on the Betti deficiency ξ( G ) in terms of the dominate number as well as the the girth of G , and thus gives a lower bound on the maximum genus .

亏数为2的五次周期样条插值算子模和误差

The Operator Norm and Error Bound for the Periodic Quintic Interpolation Splines of Deficiency 2

现在，您的用户慌慌张张地跑来说，“我们还必须判断盈数和亏数！”

Now , your users come running into the room in a blind panic : " We must determine abundance and deficiency too !"

空隙结构特性主要包括空隙率、孔径分布、空隙连通率和空隙结构的亏格数。

The characteristics of structure of voids include porosity , pore size distribution , ratio of connected voids and genus .

本文讨论在亏格数为2的紧致的可定向二维流形上，对于解析系统来说，猜想是成立的。

In this paper , it is proved that topological transitivity implying metric transitivity in ordinary differential analytic system in Σ 2 .

研究了局部环上辛变换的辛平延，利用亏失数、剩余数的理论，讨论了局部环上辛变换关于辛平延的分解。

The symplectic transvection of symplectic transformation over local rings is studied . The decomposition of symplectic transformation about symplectic transvection over local rings by theory of defective number and residue number is discussed .

亏指数为可数无穷的对称微分算子的自伴扩张

On Self-adjoint Extensions of Symmetric Differential Operators With Countably Infinite Deficiency Indices

图的最大亏格、支配数和围长

Maximum genus , dominate number and girth of a graph