By Dennis Normile Science NOW Daily News 28 March 2008 From: http://sciencenow.sciencemag.org/cgi/content/full/2008/328/1 Roundabout. Too many cars equals a traffic jam, even without an external cause. Ever wondered what causes those inexplica ...
Pressure waves that travel through tightly-packed crowds on the verge of panic could warn of impending disasters, such as the stampede on Saudi Arabia's Jamarat Bridge during the Hajj of 2006 , researchers say. The team studied footage of the tragedy and found crowds can experience sudden chang ...
Snowdrift game 和 Prisoner's dilemma game 达尔文的进化论提出以后,从生物学上解释为什么物种中还依然存在着广泛的合作(cooperation)就成了一个长期困扰生物学家的问题。物理学家在囚徒困境(Prisoner's dilemma game)的基础上给出的解释,认为有大概29%的合作行为,但是这远低于实际中发生的情况 ...
Relations among Density, Average velocity and Flux From:http://www.kochi-tech.ac.jp/~cheon/traffic_e/traff_e021.html So the argument seems to be headed for the diversion of the interest of drivers and the administrators. But fortunately, the two quantities characterizing both interests are ...
刘建国blog上的一篇文章,地址:http://blog.sina.com.cn/u/53dc857201000b20 (一直在想这个刘建国是不是nature上的那篇Complexity of Coupled Human and Natural Systems的作者Jianguo Liu呢) 动态网络分析一直是复杂网络研究领域的一个非常活跃的领域。对于与日俱 ...
Complex Systems 535: Network Theory Instructor: Mark Newman Winter 2004 General resources There is no set text for this course because no one has written one yet. But here are some general references that, between them, cover much of the material. ...
Simulation Animation The network graph (Delaunay triangulation DT(V) ) is shown below. The nodes, representing cells, have been numbered from 0 to 19. A coordinate system is used so that distance and orientation of edges is defined. To simulate the spread of fire, we consider ...