Effects of substrate network topologies on competition dynamics

Details Effects of substrate network topologies on competition dynamics Effects of substrate network topologies on competition dynamics

2006-02-13

arxiv.org/abs/cond-mat/0602295v2

Phys. Rev. E 74, 026118 (2006)

Physics

Condensed Matter

Disordered Systems and Neural Networks

8 pages, 8 figures

Scientific paper

10.1103/PhysRevE.74.026118

We study a competition dynamics, based on the minority game, endowed with various substrate network structures. We observe the effects of the network topologies by investigating the volatility of the system and the structure of follower networks. The topology of substrate structures significantly influences the system efficiency represented by the volatility and such substrate networks are shown to amplify the herding effect and cause inefficiency in most cases. The follower networks emerging from the leadership structure show a power-law incoming degree distribution. This study shows the emergence of scale-free structures of leadership in the minority game and the effects of the interaction among players on the networked version of the game.

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