Pairwise game

  • 文章类型: Journal Article
    面对传染病的爆发,社会的集体行为会对流行病的进程产生深远的影响。这项研究调查了个人对疫苗行为的态度所表现出的瞬时社会困境及其对社会距离的影响,这是疾病控制策略的关键组成部分。这项研究采用了多方面的方法,结合建模技术和模拟,以全面评估疾病爆发期间社会距离态度和疫苗摄取之间的动态。关于建模,我们引入了一个新的疫苗接种游戏(VG),与传统的VG模型不同,2-玩家和2-策略的回报结构被恰当地嵌入到个人行为动态中。个人愿意坚持社会疏远措施,比如戴口罩和身体上的距离,与他们接受疫苗的倾向密切相关。研究表明,对社交距离的积极态度倾向于与疫苗接受的可能性更高。最终有助于更有效的疾病控制。正如COVID-19大流行所表明的那样,迅速和协调的公共卫生措施对于遏制传染病的传播至关重要。这项研究强调了解决个人态度所带来的瞬时社会困境的紧迫性。通过了解这些因素之间的复杂关系,政策制定者,医疗保健专业人员可以制定量身定制的策略,以促进社会距离合规性和疫苗接受度,从而增强我们控制和减轻未来疾病爆发影响的能力。
    In the face of infectious disease outbreaks, the collective behavior of a society can has a profound impact on the course of the epidemic. This study investigates the instantaneous social dilemma presented by individuals\' attitudes toward vaccine behavior and its influence on social distancing as a critical component in disease control strategies. The research employs a multifaceted approach, combining modeling techniques and simulation to comprehensively assess the dynamics between social distancing attitudes and vaccine uptake during disease outbreaks. With respect to modeling, we introduce a new vaccination game (VG) where, unlike conventional VG models, a 2-player and 2-strategy payoff structure is aptly embedded in the individual behavior dynamics. Individuals\' willingness to adhere to social distancing measures, such as mask-wearing and physical distancing, is strongly associated with their inclination to receive vaccines. The study reveals that a positive attitude towards social distancing tends to align with a higher likelihood of vaccine acceptance, ultimately contributing to more effective disease control. As the COVID-19 pandemic has demonstrated, swift and coordinated public health measures are essential to curbing the spread of infectious diseases. This study underscores the urgency of addressing the instantaneous social dilemma posed by individuals\' attitudes. By understanding the intricate relationship between these factors, policymakers, and healthcare professionals can develop tailored strategies to promote both social distancing compliance and vaccine acceptance, thereby enhancing our ability to control and mitigate the impact of disease outbreaks in the future.
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  • 文章类型: Journal Article
    进化博弈论中的复制动力学的典型框架假设所有突变都是同样可能的,这意味着不断发展的居民的突变只会不断做出贡献。然而,在生物和社会科学的自然系统中,突变可能由于其重复再生而产生。改变策略(更新)的现象,通常延长序列重复多次,被定义为进化博弈论中被忽视的波动突变。实施重复的时间框架引入了与成对费米规则结合的动态突变方面。网络结构,在许多自然和人工系统中无处不在,显著影响了进化博弈的动态和结果。我们从困境强度的角度研究了成对博弈的演变。揭示了突变强度可以影响进化动力学。我们还证明了通过确定性和多主体模拟(MAS)过程运行的结果对于线性和非线性动力学都具有相似的稳定区域,甚至在各种游戏类。特别是,对于合作的分数与突变个体的分数之间的关系,检测到最刺激的效果,在相反的情况下,倾斜倾向于提供增加的趋势和支持叛变。总之,我们确定了一种形式的挥发性突变作为一种形式的噪声,在某些情况下,可用于加强社会系统中的合作,并设计促进网络环境中合作的策略。
    The typical framework of replicator dynamics in evolutionary game theory assumes that all mutations are equally likely, meaning that the mutation of an evolving inhabitant only contributes constantly. However, in natural systems in biological and social sciences, mutations can arise due to their repetitive regeneration. The phenomenon of changing strategies (updating), typically prolonged sequences repeated many times, is defined as a volatile mutation that has been overlooked in evolutionary game theory. Implementing a repeated time framework introduces a dynamic mutation aspect incorporated with the pairwise Fermi rule. Network structure, ubiquitous in many natural and artificial systems, has significantly affected the dynamics and outcomes of evolutionary games. We examine the evolution of the pairwise game in terms of dilemma strength. It is revealed that mutation intensity can influence evolutionary dynamics. We also demonstrated that the obtained outcomes run by the deterministic and multi-agent simulation (MAS) process present similar stability regions for both linear and non-linear dynamics, even in various game classes. In particular, the most stimulating effect is detected for the relationship between the fraction of cooperation and the fraction of the mutated individuals, as inclination tends to provide an increasing tendency and supporting defection in the opposite case. In conclusion, we identified a form of volatile mutation as a form of noise that, under certain situations, could be used to enhance cooperation in social systems and design strategies for promoting cooperation in networked environments.
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