紐結理論中,括號多項式(Bracket polynomial)是框多項式3-流形的不變多項式,也是瓊斯多項式的推廣。1987年,路易‧考夫曼提出了這個多項式。

定義

紐結圖的括號多項式是

  • 平凡紐結
  • Thumb

閱讀

  • Louis H. Kauffman, State models and the Jones polynomial. Topology 26 (1987), no. 3, 395--407. (introduces the bracket polynomial)

外部連結

  • 埃里克·韋斯坦因. Bracket Polynomial. MathWorld.

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