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Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Nov 27, 2011 at 17:08 vote accept Bruce Westbury
Nov 25, 2011 at 13:18 answer added Marc van Leeuwen timeline score: 4
Nov 24, 2011 at 21:02 comment added Bruce Westbury Having posted the question I now see this is simply $s_\alpha s_\beta$. This can be seen from MacDonald as if we set the two sets of variables equal the change of variable does nothing.
Nov 24, 2011 at 13:50 history asked Bruce Westbury CC BY-SA 3.0