User:Occur Curve


 * E = Ω


 * $$\mbox{Length} (\gamma)=\sup \left\{ \sum_{i=1}^n d(\gamma(t_i),\gamma(t_{i-1})) : n \in \mathbb{N} \mbox{ and } a = t_0 < t_1 < \cdots < t_n = b \right\}. $$