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Apr 13, 2017 at 12:57 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Dec 10, 2013 at 0:01 comment added Jon Bannon @Jiang: The best known results in this direction follow the line of investigation started in Ioana, Peterson and Popa, which contains the first explicit computation of outer automorphism groups of factors. This work involves free products, but one cannot access free groups directly with these techniques.
May 1, 2011 at 12:31 comment added Jon Bannon Right. I think care must be taken to restrict to those groups for which this is a cnd function. (This kind of indicates what I've suggested may not be canonical...)
May 1, 2011 at 9:25 comment added Alain Valette If the length function is not conditionally negative definite, why should this semigroup be c.p.?
Mar 9, 2011 at 17:15 history edited Jon Bannon CC BY-SA 2.5
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Mar 8, 2011 at 17:39 history edited Jon Bannon CC BY-SA 2.5
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Mar 8, 2011 at 17:32 history edited Jon Bannon CC BY-SA 2.5
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Mar 8, 2011 at 17:09 history edited Jon Bannon CC BY-SA 2.5
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Mar 8, 2011 at 17:03 history edited Jon Bannon CC BY-SA 2.5
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Mar 8, 2011 at 16:52 history asked Jon Bannon CC BY-SA 2.5