查询词典 isotopy class

An '''isotopy''' is a homotopy for which each of the three maps is a

一个'''同痕'''是使得中所有的三个映射都是

An ''' isotopy ''' is a homotopy for which each of the three maps is a

一个'''合伦'''是使得中所有的三个映射都是

Our result on the isotopy classes of latin squares of order 7 is also obtained by another mathematics-mechanization method.

我们用另一计算机辅助方法证明，我们所得的7阶拉丁方的564个合痕类代表元是互

Two quasigroups are ''' isotopic ''' if there is an isotopy between them.

两个拟群是'''合伦'''的当且仅当它们之间存在合伦映射。

So method AIC is more effective for finding the isotopy classes of latin squares.

1引言与主要结果本文利用计算机辅助方法研究拉丁方的合痕分类问题。

This paper proposes the computer aided method AIC for finding the isotopy classes of latin squares.

本文提出拉丁方合痕分类的计算机辅助方法AIC，该方法结构简洁，复杂度低。

On the basis of permutation, the concept of feature number, which is a fixed quantity of Latin square isotopy, is given.

在置换合痕的基础上，提出拉丁方合痕不变量—特征数的概念，进而提出一种判别拉丁方合痕代表元的算法—特征数法，同时提出局部合痕的概念，使拉丁方合痕代表元判别问题在实现时大大加

The authors discuss a special case here, namely the case of plannar isotopy. The main part of this paper gives two algorithms to determine whether two given knot/link diagrams are planar isotopic or not, and also compares them.

本文讨论了一种特殊情形下的得分类，即平面合痕下的等价分类问题，重点介绍了两种判断两个纽结图是否是平面合痕的算法，并对它们进行了比较。

In terms of Latin squares, an isotopy is given by a permutation of rows α, a permutation of columns β, and a permutation on the underlying element set γ.

在拉丁方中，三元组由第α和第β列的一个置换以及其余集合上的一个置换γ给出。

AIC improves the procedure determining if two latin squares are isotopy and reduced the complexity of the procedure by a factor of n !

利用方法AIC，本文对7阶拉丁方作了合痕分类，得到了564个合痕类的代表元。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。