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Invariants of links from the generalized Yang-Baxter equation

机译:广义Yang-Baxter方程链接的不变量

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Enhanced Yang-Baxter operators give rise to invariants of oriented links. We expand the enhancing method to generalized Yang-Baxter operators (gYB-operators). At present two examples of gYB-operators are known and recently three types of variations for one of these were discovered. We present the definition of enhanced generalized Yang-Baxter operators and show that all known examples of gYB-operators can be enhanced to give corresponding invariants of oriented links. Most of these invariants are specializations of the polynomial invariant P. Invariants from gYB-operators are multiplicative after a normalization.
机译:增强的Yang-Baxter运算符引起定向链接的不变量。我们将增强方法扩展到广义的Yang-Baxter运算符(gYB-operators)。目前,已知两个gYB运算符的示例,最近发现了其中一种的三种类型的变体。我们提出了增强的广义Yang-Baxter算子的定义,并表明可以增强gYB算子的所有已知示例,以提供定向链接的相应不变量。这些不变量中的大多数是多项式不变量P的特化。归一化后,来自gYB运算符的不变量是可乘的。

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