Six Degrees

Six Degrees

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'Six degrees of separation' is a cliche, as is 'it's a small world', both cliches of the language and cliches of everyday experience. But it's also an intriguing idea with a long history and some surprising implications. We all live in tightly bonded social networks, yet linked to vast numbers of people more closely than we sometimes think. Scientists have begun to apply insights from the theoretical study of networks to understand forms as superficially different as social networks and electrical networks, computer networks and economic networks, and to show how common principles underlie them all. Duncan J. Watts explores the science of networks and its implications, ranging from the Dutch tulipmania of the seventeenth century, the success of Harry Potter, the impact of September 11th on Manhattan, to the structure of the world wide web.mathematical terms, they are cannon fodder for the computer. and we quickly developed a simple algorithm for building them. ... In Figure 3.6, this equates to choosing a link at random and rewiring it. ... gets rewired. and the result is a highly disordered network (right diagram in Figure 3.6) that resembles a random graph.

Title:Six Degrees
Author:Duncan Watts
Publisher:Random House - 2014-08-21


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