Many phenomena show that in a favorable circumstance an agent still has an updating possibility, and in an unfavor- able circumstance an agent also has a possibility of holding its own state and reselecting its neighb...Many phenomena show that in a favorable circumstance an agent still has an updating possibility, and in an unfavor- able circumstance an agent also has a possibility of holding its own state and reselecting its neighbors. To describe this kind of phenomena an Ising model on evolution networks was presented and used for consensus formation and separation of opinion groups in human population. In this model the state-holding probability p and selection-rewiring probability q were introduced. The influence of this mixed dynamics of spin flips and network rewiring on the ordering behavior of the model was investigated, p hinders ordering of opinion networks and q accelerates the dynamical process of networks. Influence of q on the ordering and separating stems from its effect on average path length of networks.展开更多
The authors investigate the opinion dynamics in a setting where some special agents induce public opinions towards their desired direction,with Particular Goal(PG agents for short)to manipulate beliefs.Based on the bo...The authors investigate the opinion dynamics in a setting where some special agents induce public opinions towards their desired direction,with Particular Goal(PG agents for short)to manipulate beliefs.Based on the bounded confidence model,the authors find PG agents can significantly improve the level of consensus.The authors also study how opinion pattern is influenced by varying the model in terms of changing the network structure,different parameters,and PG agents choosing strategy.The authors conduct the comparison of model results with empirical data from online social networks.The authors hope the study may shade a light on public opinion control and regulation.展开更多
The society structure plays an important role in shaping the attitudes,beliefs and public opinion.For studying the role of the society structure in opinion dynamics,we analyze the Sznajd model on small-world network f...The society structure plays an important role in shaping the attitudes,beliefs and public opinion.For studying the role of the society structure in opinion dynamics,we analyze the Sznajd model on small-world network formed by adding shortcuts in a lattice consisting of N nodes arranged in a ring and on two-dimensional(2-D)regular lattice.Through computer simulation,we find that there exists a pseudo-phase transition from the coexistence state forφ<φ_(c) to the consensus state forφ>φ_(c),whereφ_(c) is some threshold for the shortcut densityφ,which is dependent of the complex network topology and the dimensionality of complex networks.Our observations indicate the dependence of the opinion dynamics on the complex system topology.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.11304123)the Scientific Research Foundation of Jianghan University(Grant No.2010014)
文摘Many phenomena show that in a favorable circumstance an agent still has an updating possibility, and in an unfavor- able circumstance an agent also has a possibility of holding its own state and reselecting its neighbors. To describe this kind of phenomena an Ising model on evolution networks was presented and used for consensus formation and separation of opinion groups in human population. In this model the state-holding probability p and selection-rewiring probability q were introduced. The influence of this mixed dynamics of spin flips and network rewiring on the ordering behavior of the model was investigated, p hinders ordering of opinion networks and q accelerates the dynamical process of networks. Influence of q on the ordering and separating stems from its effect on average path length of networks.
基金the National Natural Science Foundation of China under Grant Nos.71661001 and 71730002。
文摘The authors investigate the opinion dynamics in a setting where some special agents induce public opinions towards their desired direction,with Particular Goal(PG agents for short)to manipulate beliefs.Based on the bounded confidence model,the authors find PG agents can significantly improve the level of consensus.The authors also study how opinion pattern is influenced by varying the model in terms of changing the network structure,different parameters,and PG agents choosing strategy.The authors conduct the comparison of model results with empirical data from online social networks.The authors hope the study may shade a light on public opinion control and regulation.
基金This work was Supported by the NSFC(10635020)the Programme of Introducing Talents of Discipline to Universities under Grant No.B08033+1 种基金the State Key Development Program of Basic Research of China(2008CB317106)the Key Project of Chinese Ministry of Education(306022 and IRT0624).
文摘The society structure plays an important role in shaping the attitudes,beliefs and public opinion.For studying the role of the society structure in opinion dynamics,we analyze the Sznajd model on small-world network formed by adding shortcuts in a lattice consisting of N nodes arranged in a ring and on two-dimensional(2-D)regular lattice.Through computer simulation,we find that there exists a pseudo-phase transition from the coexistence state forφ<φ_(c) to the consensus state forφ>φ_(c),whereφ_(c) is some threshold for the shortcut densityφ,which is dependent of the complex network topology and the dimensionality of complex networks.Our observations indicate the dependence of the opinion dynamics on the complex system topology.
