Orientability: Revision history

17 October 2024

• curprev 08:2108:21, 17 October 2024 Wataxa talk contribs m 25,778 bytes +96‎ →Orientable double cover undo

10 August 2024

• curprev 01:4301:43, 10 August 2024 Ayuash talk contribs m 25,682 bytes −1‎ →Orientation of vector bundles undo

21 May 2024

• curprev 23:2823:28, 21 May 2024 142.231.84.223 talk 25,683 bytes +7‎ →Orientability and homology undo

3 January 2024

• curprev 14:1814:18, 3 January 2024 Unknow0059 talk contribs 25,676 bytes +1‎ Changed Möbius strip animation with one where the flipping is more easily seen. undo Tag: Visual edit

8 November 2023

• curprev 17:0417:04, 8 November 2023 2a02:c7c:414e:a400:757a:42c4:f4d7:f697 talk 25,675 bytes +4‎ No edit summary undo

7 November 2023

• curprev 04:5904:59, 7 November 2023 Fgnievinski talk contribs 25,671 bytes +61‎ →top undo

21 October 2023

• curprev 21:4121:41, 21 October 2023 86.20.200.55 talk 25,610 bytes −3‎ Counterclockwise to the correct anticlockwise undo Tags: Visual edit Mobile edit Mobile web edit

27 August 2023

• curprev 23:0623:06, 27 August 2023 46.22.16.115 talk 25,613 bytes −2‎ →Examples undo Tag: Manual revert
• curprev 23:0423:04, 27 August 2023 46.22.16.115 talk 25,615 bytes +2‎ →Examples undo Tag: Reverted

2 August 2023

• curprev 22:5822:58, 2 August 2023 Cyrobyte talk contribs m 25,613 bytes +1‎ →Orientation and cohomology: clean up, typo(s) fixed: Moreover → Moreover, undo Tag: AWB

8 March 2023

• curprev 09:2109:21, 8 March 2023 D.Lazard talk contribs 25,612 bytes −16‎ Reverted 2 edits by Kevin Lamoreau (talk): Overlinking: The taxonomy and the gender of the crab are irrelevant here undo Tags: Twinkle Undo
• curprev 04:1204:12, 8 March 2023 Kevin Lamoreau talk contribs 25,628 bytes +12‎ I changed my mind and added "male", plus "figure" undo Tag: Reverted
• curprev 04:0904:09, 8 March 2023 Kevin Lamoreau talk contribs 25,616 bytes +4‎ some users might be interested in learning more about fiddler crabs, as I was; I didn't bother to note that the fiddler crab figure in the animation must have been male undo Tag: Reverted

20 February 2023

• curprev 01:0101:01, 20 February 2023 Fgnievinski talk contribs 25,612 bytes +21‎ →Orientable surfaces undo Tags: Mobile edit Mobile app edit Android app edit

5 February 2023

• curprev 16:4616:46, 5 February 2023 2600:6c64:507f:aa6c:610c:46ae:8b13:f8b6 talk 25,591 bytes +35‎ →Orientable surfaces: Definition would be incorrect without explicitly specifying that the figure is chiral, though this was implied. I.e. “a two-dimensional figure” would include figures that are already their own mirror images, or could be rotated to look like their mirror image. This also makes the definition easily extendable to higher dimensional surfaces. undo Tags: Mobile edit Mobile web edit

1 October 2022

• curprev 11:2711:27, 1 October 2022 RDBrown talk contribs 25,556 bytes −62‎ →harvnb, cite journal, tweak cites undo

13 April 2022

• curprev 12:4712:47, 13 April 2022 VaudevillianScientist talk contribs m 25,618 bytes +13‎ →External links undo Tag: 2017 wikitext editor

5 April 2022

• curprev 22:0522:05, 5 April 2022 143.229.248.166 talk 25,605 bytes +2‎ Fixed typo undo Tags: Mobile edit Mobile web edit

1 March 2022

• curprev 10:2810:28, 1 March 2022 D.Lazard talk contribs 25,603 bytes +13‎ →Examples: fixing (grammar and meaning) the preceding edit undo
• curprev 03:2903:29, 1 March 2022 NightWolf1223 talk contribs 25,590 bytes −14‎ →Examples: Taking out a 2nd person pronoun undo

18 November 2021

• curprev 12:3512:35, 18 November 2021 Citation bot talk contribs 25,604 bytes +5‎ Alter: url. URLs might have been anonymized. | Use this bot. Report bugs. | Suggested by Whoop whoop pull up | #UCB_webform 363/2190 undo

13 November 2021

• curprev 11:1311:13, 13 November 2021 67.249.248.128 talk 25,599 bytes −1‎ No edit summary undo Tags: Mobile edit Mobile web edit

1 November 2021

• curprev 22:1322:13, 1 November 2021 Mgkrupa talk contribs m 25,600 bytes +15‎ Added {{Manifolds}} undo

23 October 2021

• curprev 21:4921:49, 23 October 2021 Folly Mox talk contribs m 25,585 bytes 0‎ →top: downcase wl undo

29 August 2021

• curprev 14:4614:46, 29 August 2021 Jamihiller talk contribs m 25,585 bytes +2‎ No edit summary undo
• curprev 14:4614:46, 29 August 2021 Jamihiller talk contribs m 25,583 bytes −1‎ Confusing to suddenly use the word as a noun undo

22 August 2021

• curprev 23:3523:35, 22 August 2021 Adumbrativus talk contribs 25,584 bytes +4‎ →Related concepts: Linkify pseudo-orthogonal group undo

3 August 2021

• curprev 06:0806:08, 3 August 2021 Hellacioussatyr talk contribs 25,580 bytes +9‎ →Orientability of differentiable manifolds undo Tags: nowiki added 2017 wikitext editor

2 August 2021

• curprev 22:1422:14, 2 August 2021 Ira Leviton talk contribs m 25,571 bytes +1‎ betwen->between - Fix a typo in one click undo

16 July 2021

• curprev 17:3017:30, 16 July 2021 D.Lazard talk contribs 25,570 bytes +88‎ →top: fixing hatnote undo
• curprev 12:4912:49, 16 July 2021 D.Lazard talk contribs 25,482 bytes −863‎ →Linear algebra: Unsourced and absurd: a subconcept is not a generalization undo
• curprev 10:4310:43, 16 July 2021 D.Lazard talk contribs 26,345 bytes −34‎ →top: improving hatnote undo
• curprev 08:4808:48, 16 July 2021 D.Lazard talk contribs 26,379 bytes −3‎ Changing short description from "Property of a space that allows a consistent choice of a "clockwise" orientation" to "Possibility of a consistent definition of "clockwise" in a mathematical space" (Shortdesc helper) undo
• curprev 08:4508:45, 16 July 2021 D.Lazard talk contribs 26,382 bytes +1‎ →top: typo undo
• curprev 08:4208:42, 16 July 2021 D.Lazard talk contribs 26,381 bytes −289‎ →top: Less technical and more complete lead (Orientability through normal vectors removed from the lead) undo

10 July 2021

• curprev 09:5209:52, 10 July 2021 Aizenr talk contribs 26,670 bytes −1‎ No edit summary undo
• curprev 09:5109:51, 10 July 2021 Aizenr talk contribs 26,671 bytes +2‎ No edit summary undo

8 April 2021

• curprev 22:1922:19, 8 April 2021 2601:246:d00:f60:4029:c1ab:820d:bf18 talk 26,669 bytes −2‎ →Manifolds with boundary: This should say "inward pointing normal vector." A boundary chart is isomorphic to R^n+ and so the natural orientation on R^n requires the normal direction to point in. undo Tag: Manual revert

31 March 2021

• curprev 16:4716:47, 31 March 2021 CommanderInDubio talk contribs m 26,671 bytes −1‎ Reverted edits by 92.234.64.44 (talk) (HG) (3.4.10) undo Tags: Rollback Reverted
• curprev 16:4616:46, 31 March 2021 92.234.64.44 talk 26,672 bytes −2‎ →Orientation by triangulation undo Tag: Reverted
• curprev 16:4616:46, 31 March 2021 92.234.64.44 talk 26,674 bytes +3‎ →Orientable surfaces undo Tag: Reverted

26 January 2021

• curprev 06:5006:50, 26 January 2021 37.4.252.24 talk 26,671 bytes +2‎ →Manifolds with boundary: Changed "inward" to "outward". In my experience, this is more commonly used. Sources for this claim include: various books by John M Lee, Turaev's books, Bakalov-Kirillov, ... undo Tag: Reverted

20 January 2021

• curprev 15:4415:44, 20 January 2021 John of Reading talk contribs m 26,669 bytes +1‎ →Orientation and cohomology: Typo fixing, replaced: coefficents → coefficients undo Tag: AWB

27 October 2020

• curprev 15:0415:04, 27 October 2020 2620:72:0:1d14:4085:8811:4564:b7a5 talk 26,668 bytes +1‎ fix grammar undo

30 September 2020

• curprev 04:0104:01, 30 September 2020 Lethe talk contribs 26,667 bytes +52‎ →Orientation and cohomology: wfy undo
• curprev 03:5003:50, 30 September 2020 Lethe talk contribs 26,615 bytes +838‎ orientation and cohomology, stiefel-whitney class undo

30 August 2020

• curprev 23:5423:54, 30 August 2020 2600:1700:88b0:3070:c47b:6b90:2fa:a420 talk 25,777 bytes +17‎ →:): Revert section name ":)" to "Orientable surfaces". Mistake? undo Tag: Manual revert
• curprev 22:2622:26, 30 August 2020 2600:1700:2761:4e0:3425:3eb7:3dcc:7aee talk 25,760 bytes −17‎ →Orientable surfaces undo

24 March 2020

• curprev 19:5319:53, 24 March 2020 Ionchy talk contribs m 25,777 bytes 0‎ →Orientation of vector bundles: Capitalization undo Tag: 2017 wikitext editor

31 January 2020

• curprev 15:5015:50, 31 January 2020 Citation bot talk contribs m 25,777 bytes +6‎ Alter: url, author, title. Add: title-link. | You can use this bot yourself. Report bugs here. | Activated by User:Grimes2 | via #UCB_webform undo