User contributions
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- 17:19, 8 September 2009 (diff | hist) . . (0) . . m Algebra (structure) (current)
- 23:05, 23 August 2009 (diff | hist) . . (+5,578) . . Unique factorization domain (Proof that PID=>UFD) (current)
- 21:24, 23 August 2009 (diff | hist) . . (+961) . . N Unique factorization domain (Definition)
- 21:07, 23 August 2009 (diff | hist) . . (+928) . . N Prime element (Created page with 'In ring theory an element <math>p</math> of an integral domain <math>R</math> is said to be '''prime''' if: * <math>p</math> is not a unit. * If <math>p|ab</math> for any…') (current)
- 20:42, 23 August 2009 (diff | hist) . . (+1,504) . . N Irreducible element (Created page with 'In ring theory a element <math>r</math> of a ring <math>R</math> is said to be '''irreducible''' if: * <math>r</math> is not a unit. * <math>r</mat…') (current)
- 20:16, 23 August 2009 (diff | hist) . . (+446) . . N Unit (ring theory) (Created page with 'In ring theory we say that an element <math>u</math> of a ring <math>R</math> is a '''unit''' if it has an inverse in <math>R</math>, that is, if there is another ele…') (current)
- 19:50, 23 August 2009 (diff | hist) . . (+497) . . Maximal ideal (maximal=>prime) (current)
- 19:46, 23 August 2009 (diff | hist) . . (+9) . . m Prime ideal (stub)
- 19:42, 23 August 2009 (diff | hist) . . (+26) . . m Prime ideal (category)
- 19:41, 23 August 2009 (diff | hist) . . (+856) . . N Prime ideal (Created page with 'In ring theory we say that an ideal <math>P</math> of a ring <math>R</math> is '''prime''' if <math>P\ne R</math> and for any ideals <math>I,J\subseteq R</math> with …')
- 15:28, 22 August 2009 (diff | hist) . . (+873) . . Euclidean domain (Proof that a Euclidean domain is a PID) (current)
- 14:59, 22 August 2009 (diff | hist) . . (+688) . . Euclidean domain (Formal definition/examples)
- 22:26, 21 August 2009 (diff | hist) . . (+1,007) . . N Fermat prime (Created page with 'If <math>n</math> is a nonnegative integer the <math>n^{th}</math> '''Fermat number''' is defined to be <math>F_n = 2^{2^n}+1</math>. If <math>F_n</math> is prime, then it is kn…')
- 16:07, 21 August 2009 (diff | hist) . . (+49) . . m Constructible polygon (categories)
- 16:05, 21 August 2009 (diff | hist) . . (+5,120) . . N Constructible polygon (Definition and classification)
- 01:18, 21 August 2009 (diff | hist) . . (+2,922) . . N Tower law (Statement and proof)
- 00:38, 21 August 2009 (diff | hist) . . (+4,785) . . Constructible number (Proof (could probably be cleaned up a bit))
- 23:26, 20 August 2009 (diff | hist) . . (+2,062) . . Constructible number (Statement of theorem)
- 22:44, 20 August 2009 (diff | hist) . . (-14) . . m Constructible number (slightly different statement of definition)
- 22:26, 20 August 2009 (diff | hist) . . (+49) . . m Constructible number (categories)
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