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Nov 17, 2011 at 11:50 vote accept javier
Nov 17, 2011 at 7:06 comment added Martin Brandenburg I cannot / could not believe that this is not true in general.
Nov 16, 2011 at 18:28 comment added Andreas Thom It is a classical observation due to Nathan Jacobson that a division ring such the set of invertible matrices is closed under transposition has to be a field, i.e. commutative. See mathoverflow.net/questions/47369/…
Nov 16, 2011 at 18:28 answer added Alireza Abdollahi timeline score: 51
Nov 16, 2011 at 17:41 comment added Alain Valette +1 as the question is more subtle than it seems...
Nov 16, 2011 at 17:20 history asked javier CC BY-SA 3.0