Misplaced Pages

16 December 2024

• curprev 05:3805:38, 16 December 2024 Citation bot talk contribs 7,481 bytes +4 Altered pages. Formatted dashes. | Use this bot. Report bugs. | Suggested by Dominic3203 | Linked from User:Mathbot/Most_linked_math_articles | #UCB_webform_linked 950/1913 undo

29 October 2024

• curprev 18:3818:38, 29 October 2024 TakuyaMurata talk contribs 7,477 bytes −36 Probably enough footnotes undo
• curprev 18:3718:37, 29 October 2024 TakuyaMurata talk contribs 7,513 bytes +6 Undid revision 1254047079 by 69.1.196.169 (talk) was ok undo Tag: Undo
• curprev 05:0305:03, 29 October 2024 69.1.196.169 talk 7,507 bytes −6 →Definition undo Tag: Reverted

22 August 2024

• curprev 22:3922:39, 22 August 2024 Rgdboer talk contribs 7,513 bytes +153 →Examples: compare Subalgebra undo

9 August 2024

• curprev 03:1903:19, 9 August 2024 A mentally disabled mathematician talk contribs 7,360 bytes +55 consistent notes and references undo
• curprev 02:5902:59, 9 August 2024 A mentally disabled mathematician talk contribs 7,305 bytes +22 consistency and cleanup undo
• curprev 02:2202:22, 9 August 2024 A mentally disabled mathematician talk contribs 7,283 bytes +1,089 more about ring extensions and adjoining undo

8 August 2024

• curprev 21:4421:44, 8 August 2024 A mentally disabled mathematician talk contribs 6,194 bytes +459 →Subring generated by a set undo
• curprev 04:2004:20, 8 August 2024 A mentally disabled mathematician talk contribs 5,735 bytes −242 merge "Center" into "Examples" undo
• curprev 04:1204:12, 8 August 2024 A mentally disabled mathematician talk contribs m 5,977 bytes +30 dead link undo
• curprev 04:1004:10, 8 August 2024 A mentally disabled mathematician talk contribs 5,947 bytes +132 lead and definition changes undo

12 July 2024

• curprev 21:5521:55, 12 July 2024 David Eppstein talk contribs 5,815 bytes +37 Undid revision 1234155216 by TES-Anfang (talk) 2Z is not a subring because it is not a ring (no mult.identity). You missed a word from Dummit&Foote: they use subgroup not subset. That again implicitly requires an identity. undo Tag: Undo
• curprev 21:3021:30, 12 July 2024 TES-Anfang talk contribs 5,778 bytes −37 It is not true that a subring needs to contain the multiplicative identity of the ring (take 2Z contained in Z for an example). It also needs to be non empty. The changes I made were ipsis verbis from the reference undo Tags: Reverted Visual edit

15 May 2024

• curprev 04:3404:34, 15 May 2024 2603:7000:a6f0:7ff0:7928:7064:976a:8b8b talk 5,815 bytes −1 changed "which" to "that" for consistent style (also, it is a restrictive (necessary, not superfluous) clause, indicating using "that") undo

14 May 2024

• curprev 01:2801:28, 14 May 2024 128.250.0.222 talk 5,816 bytes −1 →Subring generated by a set: Fixed typo, subsring -> subring. undo

12 May 2024

• curprev 02:0702:07, 12 May 2024 Rgdboer talk contribs 5,817 bytes +176 →Examples: re Split-quaternion subrings undo

29 April 2024

• curprev 15:0415:04, 29 April 2024 D.Lazard talk contribs 5,641 bytes +230 →Subring generated by a set: constructive generation undo
• curprev 14:4914:49, 29 April 2024 D.Lazard talk contribs 5,411 bytes −77 →Ring extensions: No evidence that there is a common notation for ring extensions undo
• curprev 14:4714:47, 29 April 2024 D.Lazard talk contribs 5,488 bytes −8 →Center: fixing format of the previous edit undo
• curprev 14:1014:10, 29 April 2024 149.132.61.13 talk 5,496 bytes +9 →Center undo Tag: Visual edit: Switched

26 January 2024

• curprev 14:1414:14, 26 January 2024 D.Lazard talk contribs 5,487 bytes +550 →Prime subring: New section undo
• curprev 13:5313:53, 26 January 2024 D.Lazard talk contribs 4,937 bytes −880 →Relation to ideals: rm section about rngs in this article about rings undo
• curprev 13:4413:44, 26 January 2024 D.Lazard talk contribs 5,817 bytes +368 →Center: New section undo
• curprev 08:5508:55, 26 January 2024 D.Lazard talk contribs 5,449 bytes −828 →Profile by commutative subrings: rm WP:OR. Moreover, even if it would be sourced the section contains undefined terminology (profile, planar subring), and is out of scope, as concerning only 3 specific examples undo
• curprev 08:4908:49, 26 January 2024 D.Lazard talk contribs 6,277 bytes −10 →Subring test: no need to duplicate non-emptyness. By the way, sorry for the preceding revert (I exchanged the two versions in my mind undo
• curprev 02:4802:48, 26 January 2024 Okoyos talk contribs 6,287 bytes +48 Undid revision 1198187811 by D.Lazard (talk) undo Tag: Undo

23 January 2024

• curprev 09:2909:29, 23 January 2024 D.Lazard talk contribs 6,239 bytes −48 Reverted 1 edit by Okoyos (talk): Having an identity is not the same as having the same identity undo Tags: Twinkle Undo Reverted
• curprev 02:5702:57, 23 January 2024 Okoyos talk contribs 6,287 bytes +48 Misplaced Pages assumes rings have unity undo Tag: Reverted

19 December 2023

• curprev 01:4301:43, 19 December 2023 Wbm1058 talk contribs 6,239 bytes +4 →Ring extensions: add a link to this curious hatnote undo
• curprev 01:4201:42, 19 December 2023 Wbm1058 talk contribs 6,235 bytes −82 →Ring extensions: see an old version of an article? undo

13 November 2023

• curprev 05:1505:15, 13 November 2023 130.132.173.74 talk 6,317 bytes −38 →Subring test undo

8 November 2023

• curprev 23:0623:06, 8 November 2023 PicoMath talk contribs 6,355 bytes +57 No edit summary undo Tags: Mobile edit Mobile app edit iOS app edit

7 November 2023

• curprev 01:4701:47, 7 November 2023 Quondum talk contribs 6,298 bytes +33 italic reference: this is to the article, not to its subject matter undo

19 April 2023

• curprev 18:4918:49, 19 April 2023 TMM53 talk contribs 6,265 bytes +242 No edit summary undo

3 March 2023

• curprev 19:5619:56, 3 March 2023 Wbm1058 talk contribs m 6,023 bytes −1 →Ring extensions: removing redundant period undo

2 March 2023

• curprev 15:1515:15, 2 March 2023 TakuyaMurata talk contribs m 6,024 bytes −16 →Ring extensions undo
• curprev 15:1515:15, 2 March 2023 TakuyaMurata talk contribs 6,040 bytes +165 Undid revision 1142445596 by D.Lazard (talk) there does exist a ring -theoretic analog. So recover the distinguished undo
• curprev 12:0812:08, 2 March 2023 D.Lazard talk contribs 5,875 bytes −86 →Ring extensions: obsolete undo

10 September 2022

• curprev 17:1117:11, 10 September 2022 Tc14Hd talk contribs 5,961 bytes +3 No edit summary undo Tags: Mobile edit Mobile app edit Android app edit
• curprev 17:1117:11, 10 September 2022 Tc14Hd talk contribs 5,958 bytes +61 No edit summary undo Tags: Mobile edit Mobile app edit Android app edit

4 May 2021

• curprev 22:2322:23, 4 May 2021 Obtuse Wombat talk contribs m 5,897 bytes +16 Add link to "Matrix ring" article undo

24 February 2021

• curprev 13:2213:22, 24 February 2021 5.67.195.201 talk 5,881 bytes −2 →Relation to ideals undo

20 December 2020

• curprev 09:3409:34, 20 December 2020 112.79.99.212 talk 5,883 bytes +88 →Examples undo
• curprev 09:3009:30, 20 December 2020 112.79.99.212 talk 5,795 bytes +9 →Examples undo

24 November 2020

• curprev 12:2312:23, 24 November 2020 Shhhnotsoloud talk contribs 5,786 bytes −27 →Ring extensions: amend hatnote undo

26 June 2020

• curprev 02:2902:29, 26 June 2020 Jakeskat talk contribs m 5,813 bytes +12 →The subring test is not only a sufficient condition, but a necessary condition. undo

23 April 2020

• curprev 07:2507:25, 23 April 2020 88.112.129.87 talk 5,801 bytes +3 →Subring test: The previous statement that a subset closed under addition would be a subring is false, since it would imply that Z_+ is a subring of Z. Being closed under subtraction is a necessary and sufficient condition for being an additive subgroup. undo

19 April 2020

• curprev 10:5810:58, 19 April 2020 27.59.173.50 talk 5,798 bytes −3 →Subring test undo Tags: Mobile edit Mobile web edit

27 February 2020

• curprev 05:5705:57, 27 February 2020 73.168.5.183 talk 5,801 bytes +25 No edit summary undo