http://lydianrain.wordpress.com/2009/01/12/every-finite-division-ring-is-a-field/ confessions of a mathoholic Mon, 29 Jun 2009 21:05:50 +0000 http://wordpress.com/ hourly 1 http://lydianrain.wordpress.com/2009/01/12/every-finite-division-ring-is-a-field/#comment-62 lydianrain Tue, 16 Jun 2009 23:55:57 +0000 http://lydianrain.wordpress.com/?p=200#comment-62 You are correct, but the proof I intend to post (eventually!) for Zsigmondy's theorem also uses cyclotomic polynomials–albeit with a slightly more convoluted argument–so I think they are the same idea. You are correct, but the proof I intend to post (eventually!) for Zsigmondy’s theorem also uses cyclotomic polynomials–albeit with a slightly more convoluted argument–so I think they are the same idea.

]]> http://lydianrain.wordpress.com/2009/01/12/every-finite-division-ring-is-a-field/#comment-61 Zygmund Tue, 16 Jun 2009 23:35:44 +0000 http://lydianrain.wordpress.com/?p=200#comment-61 If I understand correctly, you can also prove this using cyclotomic polynomials and the class equation. If I understand correctly, you can also prove this using cyclotomic polynomials and the class equation.

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