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River: Difference between revisions

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River (view source)

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'''River''' is a cloneproof monotonic [[Condorcet_methodCondorcet method#Different_ambiguity_resolution_methodsDifferent ambiguity resolution methods|Condorcet ambiguity resolution method]] with similarities to both [[Ranked Pairs]] and [[Schulze method|Schulze]], but when cycles exist, can in rare cases find a different winner than either of the other two methods.
 
Quick summary of method, which is identical to Ranked Pairs except where emphasized:
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The result is that only sufficient defeat information to determine the winner is included.
 
Because not all defeats are processed, the social ordering is not linear -- inlinear—in general it is a tree (or river) diagram, with the victor at the base of the river.
 
It was first proposed by [[User:Heitzig-j|Jobst Heitzig]] on the [[Election-methods mailing list]]:
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