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en:group:seminars:20071211 [2016/06/23 11:26] (current)
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 +---- dataentry seminar ----
 +date_dt : 2007-12-11
 +title : Cooperation among selfish individuals
 +speaker : Dr. Arne Traulsen
 +affiliation :  Max-Planck-Institute for Evolutionary Biology, Germany
 +time : 16h15-17h15
 +room : BC129
 +table : seminars
 +===================
 +template:​datatemplates:​seminar
 +-----------------------
  
 +
 +=== Abstract ===
 +A long standing problem in evolutionary biology is the evolution of cooperati
 +on. Why do cooperators prevail that support others at a cost to themselves, whil
 +e defectors would obtain a higher payoff? Recently, similar problems appear in s
 +ocial communities on the internet. Some users just download from peer-to-peer ne
 +tworks, others also contribute high-quality files. Many people use wikipedia, bu
 +t few write or improve the articles. Different mechanisms for the evolution of c
 +ooperation in these systems can be of interest. For example, visible tags can in
 +dicate that someone is willing to cooperate. ​ Another possibility is indirect re
 +ciprocity, where individuals interact with others based on their reputation.