Indeed, the ribbon element of these pointed Hopf algebras provides an important invariant.
这类新的点Hopf代数给出的新的ribbon元可以提供重要的扭结不变量。
参考来源 - Cartan型李代数的量子化和限制B型双参数量子群Travelling wave solutions are solutions of special type and can be usually characterized as solutions invariant with respect to transition in space.
行波解是一种特殊形式的解,即具有所谓的“平移不变性”。
参考来源 - 分布时滞反应扩散方程波前解的存在性Since it is very effective to classify groups by means of invariants, many mathematiciandevote themselves to invariant theory.
而利用不变式对群进行分类刻画是很有效的途径,因此许多数学家致力于不变式理论的研究。
参考来源 - 有限域上三类不可约有限反射群的不变式·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: changeless constant unvarying
以上来源于: WordNet
N an entity, quantity, etc, that is unaltered by a particular transformation of coordinates 不变式; 不变量 [maths]
a point in space, rather than its coordinates, is an invariant
ADJ (of a relationship or a property of a function, configuration, or equation) unaltered by a particular transformation of coordinates (函数,配置或等式的关系或属性)恒定的 [maths]
"Once we scale up, algorithms must be sensitive to tiny changes in identities and at the same time invariant to lighting, pose, age," Kemelmacher-Shlizerman said.
凯梅尔马赫·施勒泽曼说:“一旦扩大规模,算法必须对身份的细微变化敏感,同时不受光照、姿势和年龄影响。”
Listing 2. Loop containing invariant.
清单2循环中包含不变式。
Determine which tasks are variant or invariant.
确定哪些是变量任务,哪些是非变量任务。
So this is a nice little search-- sorry, a nice little sort algorithm . And in fact, it's relying on something that we're going to come back to, called the loop invariant.
恩,这是一个很棒的小搜索,抱歉,和很棒的小排序算法,事实上,它依赖于一些我们要回顾的东西,被称作循环不变量。
The loop invariant what does the loop invariant mean? It says, here is a property that is true of this structure every time through the loop.
循环不变量是什么意思?,它是一个在结构体中,每次循环都为真的属性。
So the components of the vector are not invariant characterizations of the vector.
矢量的两个分量,并不是一成不变的
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