美赛校内论文1.doc

Spread of Internet Rumours QiangPu Chen Yu Zhang LiYe Pan Chongqing University Summer 本文 Introduction Current estimates reveal that roughly two billion people are using every day the Internet and its numerous services, like E-mail, the World Wide Web, and social networks. Especially networks provide new and easily accessible ways for interaction and communication among individuals, thus making the Internet an ideal environment for the spread of all kinds of information. The dynamics of such information spreading processes constitute an important topic in many disciplines. But sometimes rumors on the internet are awful. Rumors are an important form of social communications, and their spreading plays a significant role in a variety of human affairs. The spread of rumors can shape the public opinion in a country, greatly impact financial markets and cause panic in a society during wars and epidemics outbreaks. Analytic formulation With the development of Internet communication technology, spread of rumours is not only from one person to another but rely on Internet. So both the scope and speed of rumours spread has been expanded and raised. In recent years, increasing numbers of Internet rumours has become a big reason which affects social stability. The analysis focused on the following issues about Internet rumors spread. Model the spread of Internet rumours. Analyze how to control the negative impact of rumors based on first issue. Verify the model above. Suggestion for prevention and control of Internet rumours. Assumptions 假设在所研究的时间内认为所研究的网民总数量一定，不考虑这一时间段内新增的网民； 网民的数量足够多，将谣言传播模型视为一个连续的过程 对谣言持不同倾向的人在网民中混合均匀 假设本文所给的数据都是真实可靠的 Assume that the total number of internet users in the study time is certain without considering the new internet users in this period. Take the rumor spread model as a continuous process when the number of internet users is enough. Assume that people who hold different attitudes to the rumors among netizens are evenly distributed. Assume