陈-西蒙斯理论

若（G，M）是主丛，M是流形，G是李群 / 规范群，A是联络，陈西蒙斯作用量是

${\displaystyle S={\frac {k}{4\pi }}\int _{M}{\text{tr}}\,(A\wedge dA+{\tfrac {2}{3}}A\wedge A\wedge A).}$

F是曲率：

${\displaystyle F=dA+A\wedge A\,}$

陈西蒙斯公式用最小作用量原理：

${\displaystyle 0={\frac {\delta S}{\delta A}}={\frac {k}{2\pi }}F.}$

三维的陈-西蒙斯理论生成很多重要的纽结多项式和纽结不变量：

拓扑量子计算机是一种量子计算机。陈西蒙斯理论陈述有些拓扑量子计算机的模型，例如“杨李模型”（Fibonacci model），这是最简单的非阿贝尔任意子拓扑量子计算机之一。

• 陳-西蒙斯理論是最有名的拓撲量子場論之一
• 拓撲量子場論
• Wess-Zumino-Witten模型
• 紐結理論

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