Center (group theory): Revision history

14 May 2024

• curprev 20:0620:06, 14 May 2024‎ Magyar25 talk contribs‎ 11,948 bytes −69‎ Tidy undo Tag: Visual edit

29 October 2023

• curprev 08:1308:13, 29 October 2023‎ 12fcf28 talk contribs‎ m 12,017 bytes −2‎ Removed the parenthetical commas surrounding the capital G representing an arbitrary group in the introductory sentence. undo Tag: Visual edit

14 August 2023

• curprev 22:3722:37, 14 August 2023‎ 86.7.60.202 talk‎ 12,019 bytes 0‎ No edit summary undo

11 August 2023

• curprev 15:4715:47, 11 August 2023‎ 88.211.86.26 talk‎ 12,019 bytes +167‎ →‎Examples: Added Rubik's Cube, and removed the superfluous "cyclic" part of the Megaminx group centre – if it's of order 2 then of it's always cyclic anyway. undo

8 June 2023

• curprev 12:4112:41, 8 June 2023‎ Magmalex talk contribs‎ m 11,852 bytes +31‎ →‎As a subgroup: added abelian property undo

25 December 2022

• curprev 19:1919:19, 25 December 2022‎ 24.62.79.61 talk‎ 11,821 bytes +533‎ Added note that a homomorphism between groups need not induce a homomorphism between their centers. undo

10 December 2022

• curprev 16:5916:59, 10 December 2022‎ Obtuse Wombat talk contribs‎ 11,288 bytes +11‎ Undid revision 1126514440 by Obtuse Wombat (talk). Previous wording was correct. undo Tag: Undo

9 December 2022

• curprev 19:2919:29, 9 December 2022‎ Obtuse Wombat talk contribs‎ m 11,277 bytes −11‎ Slight rewording for clarity. undo Tag: Reverted

18 November 2022

• curprev 19:1819:18, 18 November 2022‎ Viewmont Viking talk contribs‎ 11,288 bytes +2‎ Undid revision 1122643693 by TheWhiskyBadger (talk) Changing English styles undo Tag: Undo
• curprev 19:0019:00, 18 November 2022‎ TheWhiskyBadger talk contribs‎ m 11,286 bytes −2‎ Spelling corrections. undo Tags: Reverted Visual edit Mobile edit Mobile web edit

24 October 2022

• curprev 17:5017:50, 24 October 2022‎ Obtuse Wombat talk contribs‎ 11,288 bytes +183‎ Explain 2 ways to notice center elements in a Cayley table. undo

19 June 2022

• curprev 07:0307:03, 19 June 2022‎ WikiCleanerBot talk contribs‎ m 11,105 bytes 0‎ v2.04b - Bot T20 CW#61 - Fix errors for CW project (Reference before punctuation) undo Tag: WPCleaner

18 June 2022

• curprev 11:2211:22, 18 June 2022‎ Onyeike Izuchi talk contribs‎ m 11,105 bytes +546‎ Added Citation#1Lib1RefNG. undo Tags: Contest or editathon Visual edit Mobile edit Mobile web edit

15 December 2021

• curprev 20:1220:12, 15 December 2021‎ 1234qwer1234qwer4 talk contribs‎ m 10,559 bytes −1‎ apparently spaces are rendered undo

28 October 2021

• curprev 02:1402:14, 28 October 2021‎ 109.70.40.55 talk‎ 10,560 bytes −8‎ No edit summary undo

26 October 2021

• curprev 21:0721:07, 26 October 2021‎ 109.70.40.55 talk‎ 10,568 bytes 0‎ →‎As a subgroup undo

25 October 2021

• curprev 20:5020:50, 25 October 2021‎ 109.70.40.55 talk‎ 10,568 bytes −34‎ →‎Higher centers undo

15 August 2021

• curprev 12:0412:04, 15 August 2021‎ Qwerfjkl talk contribs‎ m 10,602 bytes −4‎ Removed 'The' from the beginning of the short description per WP:SDFORMAT. (via WP:JWB) undo

7 June 2021

• curprev 22:3922:39, 7 June 2021‎ Hellacioussatyr talk contribs‎ m 10,606 bytes −7‎ →‎See also: link text undo Tag: 2017 wikitext editor
• curprev 22:3922:39, 7 June 2021‎ Hellacioussatyr talk contribs‎ 10,613 bytes +27‎ rm {{unordered list}} and :-indent; simplify nested templates; rm U+2223 DIVIDES as set notation separator; closing braces around templates; rm space before punctuation; italics undo Tags: nowiki added 2017 wikitext editor

28 March 2021

• curprev 13:5813:58, 28 March 2021‎ Ivan Humphrey talk contribs‎ 10,586 bytes +75‎ tag undo

20 January 2021

• curprev 04:3704:37, 20 January 2021‎ ArnoldReinhold talk contribs‎ 10,511 bytes +85‎ Importing Wikidata short description: "The set of elements that commute with every element of a group" (Shortdesc helper) undo

15 November 2020

• curprev 23:0423:04, 15 November 2020‎ Ebony Jackson talk contribs‎ 10,426 bytes +4‎ →‎Examples: Clarification for dihedral group. In the statement on the megaminx group, avoid the use of Z_2, which often denotes the ring of 2-adic integers. undo

7 November 2020

• curprev 20:4320:43, 7 November 2020‎ Robinh talk contribs‎ 10,422 bytes +123‎ megaminx group undo

6 November 2020

• curprev 00:3600:36, 6 November 2020‎ 170.75.138.113 talk‎ 10,299 bytes +1,607‎ Replace complicated Dih4 graphic with simpler table undo

9 October 2020

• curprev 03:5603:56, 9 October 2020‎ AnomieBOT talk contribs‎ m 8,692 bytes +36‎ Dating maintenance tags: {{Fact}} undo
• curprev 01:5501:55, 9 October 2020‎ Ebony Jackson talk contribs‎ 8,656 bytes +14‎ →‎Higher centers: Citation needed for the terminology "second center", etc. and for the notation. undo

16 June 2020

• curprev 12:5912:59, 16 June 2020‎ 87.75.94.157 talk‎ 8,642 bytes +24‎ Changed the braces in the special unitary group definition too make it more aesthetically appealing. undo Tag: Visual edit

24 April 2020

• curprev 16:3816:38, 24 April 2020‎ Wrwrwr talk contribs‎ m 8,618 bytes +59‎ →‎Examples: SO(2) is commutative. undo

16 January 2020

• curprev 09:2909:29, 16 January 2020‎ Tea2min talk contribs‎ 8,559 bytes 0‎ Reverted good faith edits by 2A02:2F0C:7207:4800:2063:F4BB:8F2A:7DAE (talk): MOS:ENGVAR (TW) undo Tag: Undo
• curprev 08:2608:26, 16 January 2020‎ 2a02:2f0c:7207:4800:2063:f4bb:8f2a:7dae talk‎ 8,559 bytes 0‎ fixed typos undo Tags: Visual edit Mobile edit Mobile web edit
• curprev 08:2508:25, 16 January 2020‎ 2a02:2f0c:7207:4800:2063:f4bb:8f2a:7dae talk‎ 8,559 bytes 0‎ Fixed a typo undo Tags: Mobile edit Mobile web edit

18 December 2019

• curprev 17:0817:08, 18 December 2019‎ Joel Brennan talk contribs‎ m 8,559 bytes +58‎ →‎Higher centers undo
• curprev 16:2716:27, 18 December 2019‎ Joel Brennan talk contribs‎ m 8,501 bytes +72‎ →‎Examples: minor formatting undo

17 October 2019

• curprev 13:3513:35, 17 October 2019‎ Mojtabakd talk contribs‎ m 8,429 bytes +15‎ No edit summary undo
• curprev 13:3313:33, 17 October 2019‎ Mojtabakd talk contribs‎ 8,414 bytes +197‎ No edit summary undo

10 August 2019

• curprev 19:3019:30, 10 August 2019‎ Smjg talk contribs‎ m 8,217 bytes +6‎ →‎Examples: grammar undo

9 August 2019

• curprev 18:1718:17, 9 August 2019‎ 37.26.148.156 talk‎ 8,211 bytes 0‎ fix a set complement symbol undo Tags: Visual edit Mobile edit Mobile web edit

28 March 2019

• curprev 15:2015:20, 28 March 2019‎ 2600:1009:b117:6958:6476:93d6:8b51:95e5 talk‎ 8,211 bytes +21‎ →‎As a subgroup: Smoothed out the wording in the last paragraph. undo

27 March 2019

• curprev 15:1915:19, 27 March 2019‎ 2600:1009:b119:c033:d1f0:45ed:d547:2832 talk‎ 8,190 bytes +8‎ →‎As a subgroup: Changed some awkward wording in point 1. undo

12 September 2018

• curprev 06:5406:54, 12 September 2018‎ 123.255.103.131 talk‎ 8,182 bytes 0‎ →‎Conjugacy classes and centralisers undo

6 March 2018

• curprev 22:2122:21, 6 March 2018‎ Arms & Hearts talk contribs‎ 8,182 bytes +102‎ hatnote for the art group undo

14 December 2017

• curprev 01:4401:44, 14 December 2017‎ Frentos talk contribs‎ m 8,080 bytes −2‎ Ammended text in diagram illustrating center: replaced 'neutral element' with 'identity element' (as used throughout the body of article); reworded 'this is granted' to 'is this true' for more idiomatic English. undo

2 August 2017

• curprev 15:5615:56, 2 August 2017‎ 24.70.182.141 talk‎ 8,082 bytes +4‎ →‎Conjugation undo
• curprev 15:5515:55, 2 August 2017‎ 24.70.182.141 talk‎ 8,078 bytes 0‎ →‎Conjugation: fixed consistency issue with the letter phi undo

16 April 2017

• curprev 23:2923:29, 16 April 2017‎ TakuyaMurata talk contribs‎ 8,078 bytes +33‎ →‎See also: +1 undo

12 April 2017

• curprev 17:5717:57, 12 April 2017‎ 164.41.4.26 talk‎ 8,045 bytes −1‎ No edit summary undo

25 March 2017

• curprev 18:4718:47, 25 March 2017‎ 2603:3015:3502:f700:14ea:7b17:79fe:23e9 talk‎ 8,046 bytes +1‎ No edit summary undo

19 November 2016

• curprev 07:4107:41, 19 November 2016‎ Cosmia Nebula talk contribs‎ 8,045 bytes +443‎ →‎Examples: Added centers of SO(n), U(n), SU(n) undo

24 October 2016

• curprev 19:3819:38, 24 October 2016‎ 130.58.161.145 talk‎ 7,602 bytes −8‎ Whoops, now I deitalicized Z in notation and undid my previous mistake. undo