Ring (mathematics): Revision history

12 October 2024

• curprev 12:0112:01, 12 October 2024‎ Suggestion Bot talk contribs‎ m 10,415 bytes +31‎ No edit summary

5 June 2011

• curprev 13:4713:47, 5 June 2011‎ imported>Hayford Peirce‎ 10,384 bytes +10,384‎ moved TOC to remove white space

23 December 2008

• curprev 06:2606:26, 23 December 2008‎ imported>Richard Pinch‎ m 10,370 bytes +24‎ →‎Examples: link

22 December 2008

• curprev 14:5414:54, 22 December 2008‎ imported>Richard Pinch‎ 10,346 bytes +231‎ →‎See also: typo
• curprev 14:5414:54, 22 December 2008‎ imported>Richard Pinch‎ 10,345 bytes +85‎ →‎See also: Added bullet on Constructions of rings
• curprev 09:1109:11, 22 December 2008‎ imported>Richard Pinch‎ 10,260 bytes +145‎ →‎Types of rings: reformatted section heagins as anchors; Main:Division ring

20 December 2008

• curprev 17:2417:24, 20 December 2008‎ imported>Richard Pinch‎ 10,174 bytes +59‎ →‎See also: Rings with added structure

5 November 2008

• curprev 14:5814:58, 5 November 2008‎ imported>Richard Pinch‎ m 10,115 bytes +5‎ →‎Constructing new rings from given ones: formatted direct sum and product lines
• curprev 14:5414:54, 5 November 2008‎ imported>Richard Pinch‎ m 10,110 bytes +2,101‎ →‎Types of rings: non-zero
• curprev 14:5314:53, 5 November 2008‎ imported>Richard Pinch‎ 10,102 bytes +39‎ →‎Formal definition: links, still red at present; added some terminology

14 November 2007

• curprev 10:5310:53, 14 November 2007‎ imported>Subpagination Bot‎ m 10,021 bytes −42‎ Add {{subpages}} and remove any categories (details)

21 May 2007

• curprev 18:0518:05, 21 May 2007‎ imported>Michael Hardy‎ m 10,063 bytes +2,054‎ →‎Formal definition: lower-case in headings

6 May 2007

• curprev 10:4010:40, 6 May 2007‎ imported>Catherine Woodgold‎ 10,063 bytes +2,054‎ →‎Ideals: Deleting my example, which was wrong -- that isn't an ideal.

5 May 2007

• curprev 19:4519:45, 5 May 2007‎ imported>Greg Woodhouse‎ m 10,302 bytes 0‎ typo
• curprev 19:3819:38, 5 May 2007‎ imported>Catherine Woodgold‎ 10,302 bytes +1,962‎ →‎Constructing new rings from given ones: math tags (but not done yet) plus minor changes
• curprev 19:2519:25, 5 May 2007‎ imported>Catherine Woodgold‎ 10,077 bytes +578‎ →‎Ideals: Added an example, and math tags
• curprev 18:5718:57, 5 May 2007‎ imported>Catherine Woodgold‎ 9,659 bytes 0‎ →‎Subrings: subjunctive ("be")
• curprev 18:5618:56, 5 May 2007‎ imported>Catherine Woodgold‎ 9,659 bytes +80‎ →‎Subrings: math tags
• curprev 18:5218:52, 5 May 2007‎ imported>Catherine Woodgold‎ 9,579 bytes +82‎ →‎Homomorphisms of Rings: math tags
• curprev 18:1018:10, 5 May 2007‎ imported>Catherine Woodgold‎ m 9,497 bytes −1‎ →‎Formal definition: spelling of commutative
• curprev 18:0818:08, 5 May 2007‎ imported>Catherine Woodgold‎ m 9,498 bytes −1‎ spelling of commutative

1 May 2007

• curprev 21:4321:43, 1 May 2007‎ imported>Catherine Woodgold‎ 9,499 bytes +1,159‎ specify positive n for Zn
• curprev 21:4221:42, 1 May 2007‎ imported>Catherine Woodgold‎ 9,490 bytes +562‎ multiplication must be commutative in a ring according to Greg Woodhouse on talk
• curprev 17:2817:28, 1 May 2007‎ imported>Catherine Woodgold‎ 9,456 bytes +528‎ →‎Formal definition: Example where multiplication is not commutative
• curprev 17:2617:26, 1 May 2007‎ imported>Catherine Woodgold‎ 9,288 bytes +360‎ Moving more accessible material before the formal definition, and adding more hopefully accessible material.
• curprev 17:1917:19, 1 May 2007‎ imported>Catherine Woodgold‎ 8,928 bytes +587‎ →‎Formal definition: "The only ring in which 0 has an inverse is the trivial ring of only one element." hope I have that right, I think it's easy to prove
• curprev 17:1617:16, 1 May 2007‎ imported>Catherine Woodgold‎ 8,817 bytes +428‎ "of one variable" to make it consistent with the polynomial page
• curprev 07:4607:46, 1 May 2007‎ imported>Catherine Woodgold‎ 8,801 bytes +412‎ →‎Formal definition: Adding examples and context, e.g. mentioning fields
• curprev 07:2807:28, 1 May 2007‎ imported>Catherine Woodgold‎ 8,389 bytes +48‎ being more specific (otherwise it's incorrect)

28 April 2007

• curprev 13:1513:15, 28 April 2007‎ imported>Catherine Woodgold‎ 8,341 bytes +1‎ →‎Constructing new rings from given ones: comma
• curprev 12:5712:57, 28 April 2007‎ imported>Catherine Woodgold‎ 8,340 bytes +331‎ →‎Constructing new rings from given ones: ", mapping each element to itself," etc.; making it a little prosier (wordier?) and hopefully easier for less advanced readers to follow with less effort
• curprev 12:3812:38, 28 April 2007‎ imported>Catherine Woodgold‎ m 8,246 bytes 0‎ →‎Examples: singular/plural and "each"
• curprev 12:3512:35, 28 April 2007‎ imported>Catherine Woodgold‎ 8,246 bytes +237‎ →‎Homomorphisms of Rings: Explaining that homomorphism can map a larger set onto a smaller set, and giving an example.
• curprev 12:3112:31, 28 April 2007‎ imported>Catherine Woodgold‎ m 8,009 bytes +8,009‎ →‎Examples: fixed spelling of "as"
• curprev 11:0311:03, 28 April 2007‎ imported>Catherine Woodgold‎ 8,010 bytes −224‎ Reverting my edits; examples are already given later in the article.
• curprev 11:0211:02, 28 April 2007‎ imported>Catherine Woodgold‎ 8,234 bytes +224‎ →‎Types of Rings: 2-by-2 matrices as an example.
• curprev 08:2708:27, 28 April 2007‎ imported>Catherine Woodgold‎ 8,038 bytes +28‎ →‎Types of Rings: The integers as an example of a commutative ring

20 April 2007

• curprev 08:3308:33, 20 April 2007‎ imported>Martin Goldstern‎ 8,010 bytes +8,010‎ →‎Ideals: If ''h'':''A''→''B'' is a ring homomorphism, then the inverse image of 0, { ''x''∈''A'': ''h''(''x'')=0 }, is an ideal of ''A''

1 April 2007

• curprev 12:4012:40, 1 April 2007‎ imported>Howard Arvi Hughes‎ m 7,694 bytes +1‎ box wp
• curprev 12:0312:03, 1 April 2007‎ imported>Sébastien Moulin‎ m 7,693 bytes 0‎ avoiding a redirection

28 February 2007

• curprev 14:4514:45, 28 February 2007‎ imported>Aleksander Stos‎ m 7,693 bytes +7,693‎ depopulating top category; remove cat. ring theory (no such workgroup)

20 November 2006

• curprev 20:5520:55, 20 November 2006‎ imported>Peter Blake‎ m 7,668 bytes +7,668‎ Added category Mathematics Workgroup (Top)

9 November 2006

• curprev 14:4414:44, 9 November 2006‎ imported>Simen Rustad‎ 7,627 bytes +441‎ No edit summary
• curprev 14:2914:29, 9 November 2006‎ imported>Simen Rustad‎ m 7,186 bytes +7,186‎ No edit summary

2 November 2006

• curprev 23:4123:41, 2 November 2006‎ imported>Ruth Ifcher‎ 7,204 bytes +2‎ →‎Formal definition: correcting grammar and some wiki elements.
• curprev 23:2223:22, 2 November 2006‎ imported>Ruth Ifcher‎ 7,202 bytes +12‎ Trying to separate two examples of rings.
• curprev 14:4114:41, 2 November 2006‎ imported>Simen Rustad‎ 7,190 bytes +157‎ No edit summary
• curprev 14:3414:34, 2 November 2006‎ imported>Simen Rustad‎ 7,033 bytes −706‎ No edit summary
• curprev 11:3511:35, 2 November 2006‎ imported>Simen Rustad‎ 7,739 bytes +9‎ No edit summary
• curprev 11:3411:34, 2 November 2006‎ imported>Simen Rustad‎ 7,730 bytes +38‎ No edit summary