Predicting the CP-Phase for Neutrinos

In view of recent observation of neutrino mixing angles and also the CP-phase, the model to predict the CP phase becomes more interesting. In 2000, we proposed the neutrino mass matrix that predicts the maximal CP violation and the 2-3 mixing angle. I revisit this model and explore this model further to investigate Majorana phases and the possible extension that allows the deviation of the CP phase and the 2-3 mixing from the maximal.