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Mean-field-like behavior of the generalized voter-model-class kinetic Ising model
Sebastian M. Krause, Philipp Böttcher, Stefan Bornholdt
We analyze a kinetic Ising model with suppressed bulk noise which is a prominent representative of the generalized voter model phase transition. On the one hand we discuss the mode…
Opinion formation model for markets with a social temperature and fear
Sebastian M. Krause, Stefan Bornholdt
In the spirit of behavioral finance, we study the process of opinion formation among investors using a variant of the 2D Voter Model with a tunable social temperature. Further, a f…
Self-organized criticality in neural network models
Matthias Rybarsch, Stefan Bornholdt
It has long been argued that neural networks have to establish and maintain a certain intermediate level of activity in order to keep away from the regimes of chaos and silence. St…
Avalanches in self-organized critical neural networks: A minimal model for the neural SOC universality class
Matthias Rybarsch, Stefan Bornholdt
The brain keeps its overall dynamics in a corridor of intermediate activity and it has been a long standing question what possible mechanism could achieve this task. Mechanisms fro…
Evolution of robust network topologies: Emergence of central backbones
Tiago P. Peixoto, Stefan Bornholdt
We model the robustness against random failure or intentional attack of networks with arbitrary large-scale structure. We construct a block-based model which incorporates --- in a…
No need for conspiracy: Self-organized cartel formation in a modified trust game
Tiago P. Peixoto, Stefan Bornholdt
We investigate the dynamics of a trust game on a mixed population where individuals with the role of buyers are forced to play against a predetermined number of sellers, whom they…