Group extension: Revision history

8 October 2023

• curprev 00:3400:34, 8 October 2023‎ Citation bot talk contribs‎ 13,127 bytes −2‎ Alter: journal. Add: authors 1-1. Removed parameters. Some additions/deletions were parameter name changes. | Use this bot. Report bugs. | Suggested by Abductive | #UCB_toolbar undo

23 August 2023

• curprev 13:0413:04, 23 August 2023‎ Stefan.Groote talk contribs‎ m 13,129 bytes +1‎ →‎Central extension undo
• curprev 13:0313:03, 23 August 2023‎ Stefan.Groote talk contribs‎ 13,128 bytes +151‎ →‎Central extension: another split example undo

31 May 2023

• curprev 09:1809:18, 31 May 2023‎ Anareth talk contribs‎ 12,977 bytes +4‎ →‎top: +link undo

30 May 2023

• curprev 08:2608:26, 30 May 2023‎ D.Lazard talk contribs‎ m 12,973 bytes −12‎ Reverted 1 edit by 134.157.254.7 (talk) to last revision by Tea2min undo Tags: Twinkle Undo
• curprev 07:5807:58, 30 May 2023‎ 134.157.254.7 talk‎ 12,985 bytes +12‎ →‎Extensions in general undo Tag: Reverted

2 March 2023

• curprev 13:4213:42, 2 March 2023‎ Tea2min talk contribs‎ 12,973 bytes +1‎ →‎See also: Fix markup. undo
• curprev 12:0512:05, 2 March 2023‎ D.Lazard talk contribs‎ 12,972 bytes −21‎ →‎See also: irrelevant after a move undo

21 February 2023

• curprev 06:4006:40, 21 February 2023‎ Clyde H. Mapping talk contribs‎ m 12,993 bytes 0‎ Reverted 1 edit by 113.21.65.26 (talk) to last revision by InternetArchiveBot undo Tags: Twinkle Undo
• curprev 06:4006:40, 21 February 2023‎ 113.21.65.26 talk‎ 12,993 bytes 0‎ →‎Trivial extensions undo Tag: Reverted

20 December 2022

• curprev 16:0416:04, 20 December 2022‎ InternetArchiveBot talk contribs‎ 12,993 bytes +137‎ Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.9.2 undo

26 November 2022

• curprev 20:4120:41, 26 November 2022‎ Эарендил talk contribs‎ m 12,856 bytes 0‎ better undo
• curprev 20:4120:41, 26 November 2022‎ 1234qwer1234qwer4 talk contribs‎ m 12,856 bytes −1‎ →‎Classifying extensions: fmt undo

25 June 2022

• curprev 20:3220:32, 25 June 2022‎ IpseCustos talk contribs‎ m 12,857 bytes −2‎ →‎Extensions in general: let's consider the nontrivial case too undo
• curprev 20:2820:28, 25 June 2022‎ IpseCustos talk contribs‎ m 12,859 bytes +4‎ →‎Extension problem: fix description of composition series undo

13 June 2022

• curprev 06:3506:35, 13 June 2022‎ Jmcclaskey54 talk contribs‎ 12,855 bytes +20‎ →‎Extension problem: consistency of mathematical formatting undo Tags: Mobile edit Mobile web edit Advanced mobile edit

11 June 2022

• curprev 01:0401:04, 11 June 2022‎ Jmcclaskey54 talk contribs‎ 12,835 bytes +119‎ →‎Extensions in general: consistency of mathematical formatting; work in progress undo Tags: Mobile edit Mobile web edit Advanced mobile edit
• curprev 00:5700:57, 11 June 2022‎ Jmcclaskey54 talk contribs‎ 12,716 bytes +194‎ consistency of mathematical format, previously mixed undo Tags: Mobile edit Mobile web edit Advanced mobile edit

10 May 2022

• curprev 16:0316:03, 10 May 2022‎ John Baez talk contribs‎ 12,522 bytes −38‎ →‎Central extension: deleted unnecessary clause undo

26 September 2021

• curprev 13:3213:32, 26 September 2021‎ 2a02:1812:110c:dc00:e5fc:811f:8399:8f2 talk‎ 12,560 bytes +56‎ No edit summary undo

8 April 2021

• curprev 21:3621:36, 8 April 2021‎ Turgidson talk contribs‎ 12,504 bytes +117‎ complete & wikify a ref undo Tag: 2017 wikitext editor
• curprev 21:3021:30, 8 April 2021‎ Turgidson talk contribs‎ 12,387 bytes +182‎ wikify & complete a ref undo Tag: 2017 wikitext editor
• curprev 21:2521:25, 8 April 2021‎ Turgidson talk contribs‎ 12,205 bytes −26‎ move another ref to inline citation undo Tag: 2017 wikitext editor
• curprev 21:2121:21, 8 April 2021‎ Turgidson talk contribs‎ 12,231 bytes −90‎ move refs to inline citations; add some links; tweaks undo Tag: 2017 wikitext editor
• curprev 21:1621:16, 8 April 2021‎ Turgidson talk contribs‎ 12,321 bytes −15‎ →‎Central extension: tex undo Tag: 2017 wikitext editor

17 February 2021

• curprev 19:2819:28, 17 February 2021‎ 174.73.212.90 talk‎ 12,336 bytes +15‎ →‎Warning: There were two subsections named Warning. I changed the heading of this subsection to be more descriptive undo

29 January 2021

• curprev 21:3221:32, 29 January 2021‎ IznoRepeat talk contribs‎ 12,321 bytes 0‎ invert math-link placement for upcoming tstyles undo Tag: AWB

7 May 2020

• curprev 22:0722:07, 7 May 2020‎ 2601:445:4380:7dd0:94c0:1b9b:7665:f772 talk‎ 12,321 bytes 0‎ alignment of punctuation undo

5 January 2020

• curprev 21:3421:34, 5 January 2020‎ Joel Brennan talk contribs‎ m 12,321 bytes −2‎ →‎Extensions in general undo

12 December 2019

• curprev 07:1207:12, 12 December 2019‎ 89.135.79.17 talk‎ 12,323 bytes +67‎ N and its image must be distinguished (see talk page) undo

2 December 2019

• curprev 20:3120:31, 2 December 2019‎ 2001:861:3ac0:4fa0:7973:bd75:1dea:29a3 talk‎ 12,256 bytes +3‎ No edit summary undo

5 November 2019

• curprev 03:2303:23, 5 November 2019‎ 345Kai talk contribs‎ m 12,253 bytes −142‎ →‎Central extension: removed some blatant POV undo

27 December 2018

• curprev 10:1710:17, 27 December 2018‎ Daviddwd talk contribs‎ 12,395 bytes +72‎ No edit summary undo Tag: Visual edit

6 December 2018

• curprev 16:3516:35, 6 December 2018‎ 84.226.123.98 talk‎ 12,323 bytes −65‎ undo redundancy undo Tags: Mobile edit Mobile app edit iOS app edit

16 September 2018

• curprev 02:0702:07, 16 September 2018‎ John Baez talk contribs‎ 12,388 bytes −2‎ →‎Warning: fixed grammar - eliminated sentence fragment undo

27 February 2018

• curprev 19:1719:17, 27 February 2018‎ Arturodonjuan talk contribs‎ m 12,390 bytes +1‎ →‎Extensions in general undo
• curprev 19:1719:17, 27 February 2018‎ Arturodonjuan talk contribs‎ m 12,389 bytes +37‎ →‎Extensions in general: elucidated notation undo

14 February 2018

• curprev 17:0417:04, 14 February 2018‎ 199.190.51.118 talk‎ 12,352 bytes +1‎ typo: "upto" --> "up to" undo

11 February 2018

• curprev 16:3916:39, 11 February 2018‎ Ultramarineflycatcher talk contribs‎ 12,351 bytes −1‎ No edit summary undo Tags: Mobile edit Mobile web edit

10 February 2018

• curprev 05:2305:23, 10 February 2018‎ Ultramarineflycatcher talk contribs‎ 12,352 bytes −14‎ →‎Generalization to general extensions undo
• curprev 05:0105:01, 10 February 2018‎ Ultramarineflycatcher talk contribs‎ 12,366 bytes +669‎ →‎Classifying extensions undo

7 February 2018

• curprev 14:4114:41, 7 February 2018‎ 131.130.17.11 talk‎ 11,697 bytes +26‎ →‎Central extension undo

10 November 2017

• curprev 09:4109:41, 10 November 2017‎ Rgc1994 talk contribs‎ m 11,671 bytes +65‎ It's something treated in the talks but the article doesn't show the ambiguity of the notation. Personally I found the another notation quite useful as "an extension of X" should have "X" as a substructure. undo

27 June 2017

• curprev 00:5400:54, 27 June 2017‎ 114.49.15.6 talk‎ 11,606 bytes −135‎ fix spacing in \stackrel undo

20 June 2016

• curprev 05:5705:57, 20 June 2016‎ Andy M. Wang talk contribs‎ 11,741 bytes −3‎ link corr. undo

28 May 2016

• curprev 08:3708:37, 28 May 2016‎ TakuyaMurata talk contribs‎ m 11,744 bytes −25‎ →‎See also undo
• curprev 08:3708:37, 28 May 2016‎ TakuyaMurata talk contribs‎ 11,769 bytes −41‎ →‎See also: remove unrelated ones undo
• curprev 08:3608:36, 28 May 2016‎ TakuyaMurata talk contribs‎ 11,810 bytes +23‎ →‎See also undo

4 May 2016

• curprev 22:0622:06, 4 May 2016‎ Mark viking talk contribs‎ 11,787 bytes −32‎ →‎Central extension: remove self-redirects undo

14 March 2016

• curprev 16:4516:45, 14 March 2016‎ 192.75.48.8 talk‎ 11,819 bytes 0‎ wrong way around -- pretty sure you meant to say N-by-Q and Q-by-N are both used (guessing that was the original, and then one was "corrected", making the other incoherent) undo