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Exploring the dynamic evolutionary mechanism of game model on the protection of traditional villages

Regional Sustainability 2022年第3期3卷 188-207页

作者： LI Jiaqi JIN Tao XIANG Wei HUANG Qinzhen Key Laboratory of Electronic Information Engineering of State Ethnic Affairs Commission Southwest Minzu UniversityChengdu610000China Key Laboratory of Electrical Engineering of State Ethnic Affairs Commission Southwest Minzu UniversityChengdu610000China

With the rapid improvement of urbanization and industrialization in countries around the world,how to effectively solve the rapid demise of traditional villages is a social dilemma faced by all countries,which is why a series of relevant protection regulations have been promulgated in different historical ***,the formulation of relevant policies is still not scientific,universal,and *** this study,we constructed an evolutionary game model of local governments and residents based on the evolutionary game theory(EGT),which is used to explore the evolutionary stability strategy(ESS)and stability conditions of stakeholders under the premise of mutual influence and ***,the study also included the analysis about the impacts of different influence factors on the evolution tendency of the game *** the same time,numerical simulation examples were used to verify the theoretical results and three crucial conclusions have been ***,the strategic evolution of stakeholders is a dynamic process of continuous adjustment and optimization,and its results and speed show consistent ***,the decision-making of stakeholders mainly depends on the basic cost,and the high cost of investment is not conducive to the protection of traditional ***,the dynamic evolutionary mechanism composed of different influence factors will have an impact on the direction and speed of decision-making of stakeholders,which provides the basis for them to effectively restrict the decision-making of each *** study eliminates the weaknesses of existing research approaches and provides scientific and novel ideas for the protection of traditional villages,which can contribute to the formulation and improvement of the relevant laws and regulations.

关键词： Traditional villages evolutionary game theory(EGT) evolutionary stability strategy(ESS) Dynamic evolutionary mechanism evolutionary game model Local governments and residents

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Cooperation and distributed optimization for the unreliable wireless game with indirect reciprocity

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Science China(Information Sciences) 2017年第11期60卷 129-145页

作者： Changbing TANG Xiang LI Zhen WANG Jianmin HAN College of Mathematics Physics and Information Engineering Zhejiang Normal University Adaptive Networks and Control Lab Department of Electronic EngineeringFudan University Research Center of Smart Networks and Systems Fudan University School of Cyberspace Hangzhou Dianzi University

Cooperation in packet forwarding among users and operators of a distributed wireless network has been widely studied. However, because of the limited computational resources, users in wireless communication do not prefer to cooperate with others unless cooperation may improve their own performance. Therefore, the key problem in cooperation enforcement must be solved first to enable a wireless network to be efficient. Yet,most of the existing game-theoretic cooperation stimulation approaches assume that the interactions between any pair of players(users) are long-lasting. In this paper, we apply game theory to optimize the communication efficiency of a distributed wireless network with finite number of interactions between any pair of players. Based on the mechanism of indirect reciprocity, we theoretically analyze the optimal action rule with the method of dynamic programming, and derive the approximate threshold of benefit-to-cost ratio to achieve the optimal action rule. Furthermore, we adopt the replicator dynamics to assess the evolutionary stability of the optimal action rule against the perturbation effect. Numerical illustrations verify the performance of the proposed method on wireless cooperation.

关键词： wireless cooperation distributed optimization game theory indirect reciprocity optimal action evolutionary stability

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