Before revision:   The model features a phase transition between consensus, opinion polarization, and ideological states , which we analytically characterize as a function of the controversialness and overlap of the topics  .
After revision:  The model features a phase transition between consensus, opinion polarization, and ideological states , which we analytically characterize as a function of the controversialness and overlap of the topics discussed, the more controversial the topics, the more likely are opinion to be correlated .