[EM] Beatpath vs Ranked-Pairs

Forest Simmons fsimmons at pcc.edu
Sat Oct 26 14:26:38 PDT 2013

From: Jobst Heitzig <heitzig-j at web.de>
> To: Michael Ossipoff <email9648742 at gmail.com>,
>         "election-methods at electorama.com" <election-methods at electorama.com
> >
> Subject: Re: [EM] Beatpath vs Ranked-Pairs
> Message-ID: <526A4064.4090505 at web.de>
> Content-Type: text/plain; charset=ISO-8859-1
> Dear Michael,
> (...)

> Even further, when defeat strength is defined as the approval of the
> defeating candidate, then River, Beatpath, and Ranked Pairs are all
> equivalent to DMC:
> http://lists.electorama.com/pipermail/election-methods-electorama.com/2005-March/015465.html
> .
> See here for a nice example:
> http://lists.electorama.com/pipermail/election-methods-electorama.com/2005-May/015873.html
> .
> Also, don't forget that if defeats that are also coverings are considered
> before defeats that are not coverings, the River winner will be an
> uncovered candidate.  Since the covering relation is a tree, it becomes a
> sub-tree of the River tree when defeats are ranked this way.

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