Wigner's classification: Revision history

24 September 2023

• curprev 21:1121:11, 24 September 2023‎ 86.176.229.175 talk‎ 10,434 bytes +65‎ The entry previously said, incorrectly, that the representations are infinite-dimensional because the group is non-compact. But there are plenty of non-compact groups, such as SL(n,C) (and in general all semisimple complex Lie groups), that do have finite-dimensional irreducible representations. undo

14 June 2023

• curprev 21:2121:21, 14 June 2023‎ Dr vulpes talk contribs‎ 10,369 bytes −18‎ →‎top: Reverting Spin edits as per Talk:Spin (particle physics) and Wikipedia talk:WikiProject Physics, replaced: Spin (particle physics) → Spin (physics) (2) undo Tag: AWB

12 June 2023

• curprev 22:1722:17, 12 June 2023‎ Dr vulpes talk contribs‎ 10,387 bytes +14‎ WP:BOTREQ: minor clean up, replaced: spin (physics) → Spin (particle physics) (2) undo Tag: AWB

21 October 2022

• curprev 15:5315:53, 21 October 2022‎ Sueco Viejo talk contribs‎ m 10,373 bytes −89‎ →‎References: removed link because it pointed to volume III not volume I where the chapter cited is located. Couldn't find the correct book on the archive sadly, so no link. undo

5 October 2022

• curprev 22:2822:28, 5 October 2022‎ Citation bot talk contribs‎ 10,462 bytes +17‎ Add: s2cid. | Use this bot. Report bugs. | Suggested by Whoop whoop pull up | Category:Quantum field theory | #UCB_Category 50/257 undo

21 September 2022

• curprev 08:2008:20, 21 September 2022‎ Stefan.Groote talk contribs‎ m 10,445 bytes +2‎ No edit summary undo
• curprev 08:1408:14, 21 September 2022‎ Stefan.Groote talk contribs‎ 10,443 bytes −31‎ replaced "sharp" by "either finite or zero"; improved the systematics for the cases undo

6 June 2022

• curprev 17:1017:10, 6 June 2022‎ AndriusKulikauskas talk contribs‎ 10,474 bytes +1‎ "comes from" instead of "comes for" undo

23 March 2022

• curprev 16:5416:54, 23 March 2022‎ PianoDan talk contribs‎ 10,473 bytes −72‎ →‎References: Remove dead (and likely to remain so) chapter URL. undo

24 September 2021

• curprev 04:2004:20, 24 September 2021‎ Citation bot talk contribs‎ 10,545 bytes +18‎ Alter: chapter. Add: doi-access. | Use this bot. Report bugs. | Suggested by Headbomb | Linked from Wikipedia:WikiProject_Academic_Journals/Journals_cited_by_Wikipedia/Sandbox | #UCB_webform_linked 259/855 undo

8 September 2021

• curprev 21:2321:23, 8 September 2021‎ 107.127.18.29 talk‎ 10,527 bytes 0‎ →‎Further classification undo
• curprev 21:2121:21, 8 September 2021‎ 107.127.18.29 talk‎ 10,527 bytes +279‎ converted grotty HTML math to TeX; citation cleanups / redaction; undo

19 February 2021

• curprev 00:2700:27, 19 February 2021‎ Citation bot talk contribs‎ 10,248 bytes −36‎ Removed parameters. | Use this bot. Report bugs. | Suggested by Abductive | via #UCB_webform 725/779 undo

12 November 2020

• curprev 15:5115:51, 12 November 2020‎ 216.106.132.65 talk‎ 10,284 bytes +12‎ No edit summary undo

16 August 2020

• curprev 01:2801:28, 16 August 2020‎ FrescoBot talk contribs‎ m 10,272 bytes −26‎ Bot: link specificity and minor changes undo

19 December 2019

• curprev 02:4802:48, 19 December 2019‎ InternetArchiveBot talk contribs‎ 10,298 bytes +65‎ Bluelinking 1 books for verifiability.) #IABot (v2.1alpha3 undo

5 November 2019

• curprev 15:1615:16, 5 November 2019‎ InternetArchiveBot talk contribs‎ 10,233 bytes +81‎ Bluelink 1 book for verifiability.) #IABot (v2.0) (GreenC bot undo

1 November 2019

• curprev 17:2717:27, 1 November 2019‎ Daviddwd talk contribs‎ 10,152 bytes +92‎ short description undo Tag: Visual edit

20 September 2019

• curprev 11:4611:46, 20 September 2019‎ Alan U. Kennington talk contribs‎ m 10,060 bytes +1‎ →‎Further information: Fixed typo. undo

8 September 2019

• curprev 14:0014:00, 8 September 2019‎ InternetArchiveBot talk contribs‎ 10,059 bytes +79‎ Bluelinking 1 books for verifiability.) #IABot (v2.1alpha3 undo

31 July 2019

• curprev 21:1721:17, 31 July 2019‎ Citation bot talk contribs‎ m 9,980 bytes −67‎ Alter: doi. Add: jstor. Removed URL that duplicated unique identifier. | You can use this bot yourself. Report bugs here.| Activated by User:Headbomb undo

24 May 2019

• curprev 20:0720:07, 24 May 2019‎ MaxEnt talk contribs‎ 10,047 bytes 0‎ →‎Further information undo

22 March 2019

• curprev 17:1717:17, 22 March 2019‎ WereSpielChequers talk contribs‎ m 10,047 bytes 0‎ →‎The theory of projective representations: Typo fixing, replaced: the to → to the undo Tag: AWB

17 March 2019

• curprev 16:2516:25, 17 March 2019‎ BD2412 talk contribs‎ m 10,047 bytes +14‎ →‎top: Fixing links to disambiguation pages, improving links, other minor cleanup tasks undo Tag: AWB

29 November 2018

• curprev 02:2302:23, 29 November 2018‎ Cherkash talk contribs‎ m 10,033 bytes +2‎ No edit summary undo

25 January 2018

• curprev 16:4116:41, 25 January 2018‎ Mathphysman talk contribs‎ 10,031 bytes +449‎ →‎The theory of projective representations: More on projective reps undo
• curprev 16:3616:36, 25 January 2018‎ Mathphysman talk contribs‎ 9,582 bytes +304‎ →‎More Information: Split into two sections and added more about the projective reps undo

23 January 2018

• curprev 21:4321:43, 23 January 2018‎ Mathphysman talk contribs‎ 9,278 bytes +340‎ →‎More Information: Wigner's proof "by hand" of Bargmann's theorem in this case undo

22 January 2018

• curprev 15:5015:50, 22 January 2018‎ Mathphysman talk contribs‎ 8,938 bytes +456‎ →‎More Information: Cited Bargman's theorem and mentioned *projective* reps undo

18 September 2017

• curprev 14:3614:36, 18 September 2017‎ KolbertBot talk contribs‎ m 8,482 bytes +1‎ Bot: HTTP→HTTPS undo

6 April 2017

• curprev 10:5810:58, 6 April 2017‎ YohanN7 talk contribs‎ m 8,481 bytes +43‎ Disambiguated: helicity → helicity (particle physics), spin → spin (physics) undo Tag: Dispenser [2.4]

5 April 2017

• curprev 14:1414:14, 5 April 2017‎ YohanN7 talk contribs‎ 8,438 bytes +349‎ →‎top: Get both Casimir operators in place undo

11 February 2017

• curprev 14:2014:20, 11 February 2017‎ Headbomb talk contribs‎ m 8,089 bytes +8‎ →‎References: clean up, AWB fixes + correct PNAS title if applicable, replaced: Proc. Natl. Acad. Sci → Proc. Natl. Acad. Sci. U.S.A. using AWB undo

3 January 2017

• curprev 09:0309:03, 3 January 2017‎ BruceThomson talk contribs‎ m 8,081 bytes 0‎ →‎More Information: spelling undo
• curprev 08:5908:59, 3 January 2017‎ BruceThomson talk contribs‎ m 8,081 bytes +1‎ →‎Massive scalar fields: spelling undo

29 December 2016

• curprev 08:2908:29, 29 December 2016‎ BG19bot talk contribs‎ m 8,080 bytes −7‎ Remove blank line(s) between list items per WP:LISTGAP to fix an accessibility issue for users of screen readers. Do WP:GENFIXES and cleanup if needed. Discuss this at Wikipedia talk:WikiProject Accessibility/LISTGAP undo

18 December 2016

• curprev 09:2309:23, 18 December 2016‎ Rjwilmsi talk contribs‎ m 8,087 bytes +26‎ →‎References: Journal cites, added 1 PMID, added 1 PMC using AWB (12130) undo

27 November 2016

• curprev 20:5320:53, 27 November 2016‎ 18.111.50.44 talk‎ 8,061 bytes 0‎ No edit summary undo

17 October 2016

• curprev 11:1511:15, 17 October 2016‎ YohanN7 talk contribs‎ m 8,061 bytes +1‎ →‎Massive scalar fields: Fixing style/layout errors undo
• curprev 11:1311:13, 17 October 2016‎ YohanN7 talk contribs‎ 8,060 bytes +221‎ →‎References: and Weinberg undo
• curprev 11:0011:00, 17 October 2016‎ YohanN7 talk contribs‎ 7,839 bytes +1,000‎ →‎References: Added references recommended on talk page. undo
• curprev 10:1910:19, 17 October 2016‎ YohanN7 talk contribs‎ m 6,839 bytes +1‎ →‎Massive scalar fields: Spelling/grammar correction undo
• curprev 10:0610:06, 17 October 2016‎ YohanN7 talk contribs‎ 6,838 bytes +383‎ →‎Massive scalar fields: Copyedit (minor) undo

16 October 2016

• curprev 16:1916:19, 16 October 2016‎ Cuzkatzimhut talk contribs‎ m 6,455 bytes −2‎ →‎Massive scalar fields undo
• curprev 16:1716:17, 16 October 2016‎ Cuzkatzimhut talk contribs‎ 6,457 bytes −29‎ →‎top undo
• curprev 16:1616:16, 16 October 2016‎ Cuzkatzimhut talk contribs‎ 6,486 bytes +27‎ →‎top: linked to in next bullet item. undo
• curprev 12:2712:27, 16 October 2016‎ AnomieBOT talk contribs‎ m 6,459 bytes +54‎ Dating maintenance tags: {{What}} {{Definition}} undo
• curprev 10:2710:27, 16 October 2016‎ 178.39.122.125 talk‎ 6,405 bytes +14‎ →‎Massive scalar fields undo
• curprev 10:2610:26, 16 October 2016‎ 178.39.122.125 talk‎ 6,391 bytes +14‎ No edit summary undo
• curprev 10:1410:14, 16 October 2016‎ 178.39.122.125 talk‎ 6,377 bytes 0‎ →‎Massive scalar fields undo