作者: M. E. J. Newman
DOI:
关键词: Epistemology 、 Chain (algebraic topology) 、 Six degrees of separation 、 Subject (philosophy) 、 Phenomenon
摘要: It is believed that almost any pair of people in the world can be connected to one another by a short chain intermediate acquaintances, typical length about six. This phenomenon, colloquially referred as ``six degrees separation,'' has been subject considerable recent interest within physics community. paper provides review topic.