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
The BRICS point the way to global governance and sustainable development The upcoming BRICS(Brazil,Russia,India,China and South Africa)Summit in Goa,India,this October must advance global governance at a time of rapid...The BRICS point the way to global governance and sustainable development The upcoming BRICS(Brazil,Russia,India,China and South Africa)Summit in Goa,India,this October must advance global governance at a time of rapid change in the international system.The global community can benefit substantially from bold initiatives and from well-organized cooperation.展开更多
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.
文摘The BRICS point the way to global governance and sustainable development The upcoming BRICS(Brazil,Russia,India,China and South Africa)Summit in Goa,India,this October must advance global governance at a time of rapid change in the international system.The global community can benefit substantially from bold initiatives and from well-organized cooperation.
