Contractible space: Revision history

15 March 2024

• curprev 18:2418:24, 15 March 2024‎ 149.125.252.36 talk‎ 5,726 bytes +10‎ If X is empty then any two maps from X to Y are homotopic for any Y but it's not homotopy equivalent to a one-point space but if it's not empty then the others are prolly fine i guess undo

28 November 2023

• curprev 18:1718:17, 28 November 2023‎ 2409:4060:2d8d:dae4::de88:830d talk‎ 5,716 bytes 0‎ →‎Properties undo Tags: Mobile edit Mobile web edit

11 February 2023

• curprev 16:2116:21, 11 February 2023‎ 2a0e:41a:923d:0:2d21:dee0:da3a:8b93 talk‎ 5,716 bytes +15‎ Mathematical error. undo

19 July 2021

• curprev 04:4704:47, 19 July 2021‎ Mgkrupa talk contribs‎ 5,701 bytes +52‎ Added == See also == section undo

25 April 2021

• curprev 03:0703:07, 25 April 2021‎ Etang21 talk contribs‎ m 5,649 bytes +1‎ →‎Locally contractible spaces: minor grammar fix. undo Tag: Visual edit
• curprev 03:0503:05, 25 April 2021‎ 128.12.123.52 talk‎ 5,648 bytes +2‎ →‎Examples and counterexamples undo

2 April 2021

• curprev 18:0618:06, 2 April 2021‎ Zsxphy talk contribs‎ m 5,646 bytes +1‎ →‎Locally contractible spaces undo

31 March 2021

• curprev 21:1121:11, 31 March 2021‎ 2601:602:9e00:e620:8179:9ba1:909c:3530 talk‎ 5,645 bytes +164‎ →‎Locally contractible spaces undo
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7 August 2018

• curprev 14:0314:03, 7 August 2018‎ Deacon Vorbis talk contribs‎ 4,185 bytes −5‎ →‎Properties: fair point about clarifying the quantifier here though undo
• curprev 11:3111:31, 7 August 2018‎ Deacon Vorbis talk contribs‎ 4,190 bytes −98‎ Undid revision 853819950 by 71.172.41.203 (talk) there's no need to keep saying nonempty; is implied by the definition...in the lead it removed clarity since it left the empty storage undefined wrt contractibility undo Tag: Undo
• curprev 04:2604:26, 7 August 2018‎ 71.172.41.203 talk‎ 4,288 bytes +98‎ fix some omissions regarding the empty set and clarify some quantifiers undo

25 March 2018

• curprev 03:0203:02, 25 March 2018‎ Turgidson talk contribs‎ 4,190 bytes +66‎ →‎Examples and counterexamples: complete a sentence undo

16 June 2017

• curprev 16:3016:30, 16 June 2017‎ Deacon Vorbis talk contribs‎ 4,124 bytes −92‎ Undid revision 785924150 by Hyacinth (talk) rv this one too undo
• curprev 06:2406:24, 16 June 2017‎ Hyacinth talk contribs‎ 4,216 bytes +92‎ →‎Examples and counterexamples: {{citation needed|date=June 2017|reason=Specific claim about a type of topological space.}} undo

6 February 2017

• curprev 16:5416:54, 6 February 2017‎ Laurusnobilis talk contribs‎ 4,124 bytes +239‎ →‎Examples and counterexamples undo

2 April 2016

• curprev 20:1120:11, 2 April 2016‎ ProboscideaRubber15 talk contribs‎ 3,885 bytes +1‎ redid "intuitive statement" to be (hopefully) less misleading undo
• curprev 20:1020:10, 2 April 2016‎ ProboscideaRubber15 talk contribs‎ 3,884 bytes +18‎ No edit summary undo

17 March 2016

• curprev 01:1001:10, 17 March 2016‎ BG19bot talk contribs‎ m 3,866 bytes −2‎ 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

26 November 2015

• curprev 05:4205:42, 26 November 2015‎ Michael.Kramer talk contribs‎ m 3,868 bytes +1‎ (GR) File renamed: File:Contracability figure.png → File:Contractibility figure.png File renaming criterion #3: Um offensichtliche Fehler im Dateinamen zu korrigieren, beispielsweise Rechtschreibfehl... undo
• curprev 04:3604:36, 26 November 2015‎ ProboscideaRubber15 talk contribs‎ 3,867 bytes +176‎ Added a figure. undo

20 August 2015

• curprev 22:3922:39, 20 August 2015‎ ProboscideaRubber15 talk contribs‎ 3,691 bytes −4‎ No edit summary undo

27 March 2015

• curprev 14:1614:16, 27 March 2015‎ John of Reading talk contribs‎ m 3,695 bytes −1‎ Typo/general fixing, replaced: vice-versa → vice versa using AWB undo

27 December 2014

• curprev 07:2607:26, 27 December 2014‎ FrescoBot talk contribs‎ m 3,696 bytes −11‎ Bot: link syntax undo

23 November 2014

• curprev 13:1813:18, 23 November 2014‎ Brirush talk contribs‎ m 3,707 bytes +14‎ No edit summary undo

12 August 2014

• curprev 16:2616:26, 12 August 2014‎ Drewkas talk contribs‎ 3,693 bytes +15‎ →‎Locally contractible spaces undo

27 February 2013

• curprev 04:1504:15, 27 February 2013‎ Addbot talk contribs‎ m 3,678 bytes −194‎ Bot: Migrating 6 interwiki links, now provided by Wikidata on d:q230689 (Report Errors) undo

19 January 2013

• curprev 17:5517:55, 19 January 2013‎ GuenterRote talk contribs‎ 3,872 bytes −2‎ typography undo

9 August 2012

• curprev 02:0202:02, 9 August 2012‎ Sbyrnes321 talk contribs‎ 3,874 bytes +27‎ →‎Examples and counterexamples: another example ... well, technically, special case of another entry, but it's not obvious at first glance. undo

15 April 2012

• curprev 17:3117:31, 15 April 2012‎ Slawekb talk contribs‎ 3,847 bytes −32‎ this is a property of topological spaces, not a specific topological space. Undid revision 475320010 by Brad7777 (talk) undo

30 March 2012

• curprev 02:0702:07, 30 March 2012‎ EmausBot talk contribs‎ m 3,879 bytes +5‎ r2.7.2+) (Robot: Modifying de:Zusammenziehbarer Raum undo

6 February 2012

• curprev 01:1501:15, 6 February 2012‎ Brad7777 talk contribs‎ 3,874 bytes +32‎ added Category:Topological spaces using HotCat it is? undo

2 September 2011

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13 August 2011

• curprev 19:4319:43, 13 August 2011‎ Tosha talk contribs‎ 3,787 bytes +36‎ →‎Examples and counterexamples undo

17 November 2010

• curprev 03:2403:24, 17 November 2010‎ Jim.belk talk contribs‎ 3,751 bytes +410‎ Added references, removed unreferenced tag undo

14 September 2010

• curprev 10:1710:17, 14 September 2010‎ EdoBot talk contribs‎ m 3,341 bytes −38‎ robot Removing: ar:فضاء قابل للتقلص undo

12 August 2010

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7 August 2010

• curprev 18:2718:27, 7 August 2010‎ BlackFingolfin talk contribs‎ 3,341 bytes −62‎ Use of 'deformation retract' here was not consistent with its definition in Wikipedia; corrected that undo

12 April 2010

• curprev 21:0521:05, 12 April 2010‎ 78.120.162.191 talk‎ 3,403 bytes +26‎ No edit summary undo

20 February 2010

• curprev 17:5417:54, 20 February 2010‎ דוד שי talk contribs‎ m 3,377 bytes −21‎ interwiki he undo
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1 February 2010

• curprev 19:0619:06, 1 February 2010‎ 135.207.175.180 talk‎ 3,350 bytes +24‎ →‎Examples and counterexamples: Only infinite-dimensional Hilbert space unit-spheres are contractible - clarifying the contrast with the example in the line above. undo

31 January 2010

• curprev 00:0700:07, 31 January 2010‎ 82.204.105.103 talk‎ 3,326 bytes +28‎ No edit summary undo

4 December 2009

• curprev 16:5516:55, 4 December 2009‎ Rich Farmbrough talk contribs‎ m 3,298 bytes −16‎ remove Erik9bot category, no longer needed for this article using AWB undo

29 November 2009

• curprev 02:5002:50, 29 November 2009‎ SmackBot talk contribs‎ m 3,314 bytes +9‎ Date maintenance tags and general fixes undo

24 November 2009

• curprev 10:0510:05, 24 November 2009‎ RDBury talk contribs‎ 3,305 bytes +17‎ Unreferenced tag undo

7 August 2009

• curprev 11:4511:45, 7 August 2009‎ Erik9bot talk contribs‎ 3,288 bytes +49‎ add Category:Articles lacking sources (Erik9bot) undo