Before revision:  Then we prove a non-linear optional decomposition in a robust setting, extending recent results of [ 63 ], which we then use to obtain a superhedging duality in uncertain, incomplete and non-linear financial markets.
After revision:  Then we prove a non-linear optional decomposition in a robust setting, extending recent results of [ 71 ], which we then use to obtain a superhedging duality in uncertain, incomplete and non-linear financial markets.