We introduce a notion of volatility uncertainty in discrete time and define the corresponding analogue of Pengs G-expectation. In the continuous-time limit, the resulting sublinear expectation converges weakly to the G-expectation. This can be seen as a Donsker-type result for the G-Brownian...

The optimal reactive power flow (ORPF) helps to effectively utilize the existing reactive power source with a view to minimize the network loss and improve voltage profile. The chemical reaction optimization (CRO), inspired from the interactions of molecules in a chemical reaction to reach a low...