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arXiv 0811.3090physics.soc-phq-bio.PE
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杰出参与者之间的有限联系支持合作

Restricted connections among distinguished players support cooperation

Matjaz Perc, Attila Szolnoki, Gyorgy Szabo

摘要:

我们研究了在正方形格子上的空间囚徒困境博弈中合作的演化,其中一小部分玩家$μ$可以比其他玩家更容易地传播他们的策略,这是由于预定的较大的教学能力。此外,具有较大教学能力的玩家被允许以概率$p$暂时与同类的远距离对手链接,从而在杰出者之间引入快捷连接。我们表明,这些额外的临时连接能够维持合作的整个范围内的诱惑叛逃。值得注意的是,我们观察到,作为诱惑的缺陷增加的最佳$μ$减少,而且,只有微小的值的$p$保证最好的促进合作。因此,我们的研究表明,有影响力的个人必须是少数和稀疏连接,以合作在一个容易叛逃的环境中茁壮成长。

英文摘要:

We study the evolution of cooperation within the spatial prisoner's dilemma game on a square lattice where a fraction of players $μ$ can spread their strategy more easily than the rest due to a predetermined larger teaching capability. In addition, players characterized with the larger teaching capability are allowed to temporarily link with distant opponents of the same kind with probability $p$, thus introducing shortcut connections among the distinguished. We show that these additional temporary connections are able to sustain cooperation throughout the whole range of the temptation to defect. Remarkably, we observe that as the temptation to defect increases the optimal $μ$ decreases, and moreover, only minute values of $p$ warrant the best promotion of cooperation. Our study thus indicates that influential individuals must be few and sparsely connected in order for cooperation to thrive in a defection prone environment.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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