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Feb 18, 2011 at 4:34 vote accept Mikhail Gudim
Feb 18, 2011 at 4:34
Feb 18, 2011 at 1:07 comment added David Hill These are not arbitrary nilpotent pairs. They commute.
Feb 17, 2011 at 23:07 history answered David E Speyer CC BY-SA 2.5