While grafting is almost always something foreign ( "scion" ) wed to a root stock, there are examples of arborscuplture, where all parts of the graft appear to be of the same stock:
http://en.wikipedia.org/wiki/Image:Neadle.jpg On the other hand, the method under discussion appears to be a method to reverse one's decision to prune a branch from a tree. Unless there is some sense of changing the "natural" shape of the tree, I'd go with "widening" as the simplest explanation. ( I am heading out of town for a week. I have promised myself to study the papers in question during my free time. ) I may even have time to consult an AI text -- I know I've heard of "iterative deepening", and I wonder if the same text covered "iterative broadening" as well? By the way, a paper dealing with "minorization" was recently posted. That word is not exactly on the list of 100 most common English words; in fact, it probably wouldn't make the "top 100,000" - I had to do a bit of googling to find the definition of "minorization" and "maxorization". For the edification of anyone else in the same muddle, I offer the following URL: http://www.artofproblemsolving.com/Forum/topic-14975.html I'm not complaining - the words "minorize" and "maxorize" appear to be accepted mathematical terms, with clear definitions; they're less well-known to the rest of us, that's all. Cheers! ____________________________________________________________________________________Boardwalk for $500? In 2007? Ha! Play Monopoly Here and Now (it's updated for today's economy) at Yahoo! Games. http://get.games.yahoo.com/proddesc?gamekey=monopolyherenow
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