A simpe model explaining emergence of stable bipolarization in politics.

What is it about?

We formulate a simple model of social interactions which yields stable bipolarization and monopolarization of opinions in a society. We perform extensive numerical simulations and back the results with analytic calculations.

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Why is it important?

Explaining the emergence of bipolarization in a society is not an easy task from a modelling perspetive. Models yielding such behaviour usually hard-wire explicit mechanism known to promote bipolarization, such as negative influence mechanism, that are not clearly backed-up by sociologcal experiments. In contrast our model is based on a simple binary interaction rule which do not explicitely implement negative influence and yet give rise to stable biplarizaton.