We present simple and direct arguments to characterize strongly group strategy-proof social choice functions whose …

Recently, it has been shown that the characterizations of different classes of non-manipulable social choice functions …

Let 𝝫𝑛 be the set of the binary strategy-proof social choice functions referred to a group of n voters who are … the analogous number of social choice functions when only strict preferences are admitted. A comparison is given for the … known values. Based on our results, we present a graphical description of the binary strategy-proof social choice functions …