From: nojhan@gmail.com   
      
   Mozis wrote:   
   > I was reading a paper about Emegent mating topologies. They have   
   > heavily used the word "scale-free networks", but have not mentioned the   
   > meaning of the word "scale-free" ( or I could not have grasped).   
      
   Perhaps this page will help you:   
   http://en.wikipedia.org/wiki/Scale_invariance   
      
   "In physics and mathematics, scale invariance is a feature of objects or   
   laws that do not change if length scales (or energy scales) are multiplied   
   by a common factor."   
      
      
   See also this article, which doesn't have the same quality:   
   http://en.wikipedia.org/wiki/Scale-free_network   
      
   "In scale-free networks, some nodes act as "highly connected hubs" (high   
   degree), although most nodes are of low degree."   
      
   --   
   NoJhan   
      
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