Retraction (topology): Revision history

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curprev 02:0902:09, 28 September 2024 1234qwer1234qwer4 talk contribs m 18,795 bytes −1 fix broken URL (www.math.cornell.edu/~hatcher) (via WP:JWB) undo

curprev 08:3008:30, 15 May 2024 Nubtom talk contribs m 18,796 bytes 0 →Retract undo

curprev 00:2900:29, 25 March 2024 Ajkirk talk contribs m 18,796 bytes +1 →Deformation retract and strong deformation retract: corrected typo: Not -> Note undo

curprev 19:0919:09, 6 December 2023 2607:f140:400:101:4d8b:d1ed:d657:ae5c talk 18,795 bytes +109 →Properties: Added important property relating to fundamental groups. undo Tags: Mobile edit Mobile web edit

curprev 14:1014:10, 19 November 2023 Winthrop23 talk contribs 18,686 bytes +6 Undid revision 1185801013 by 2001:B030:835C:FFC9:0:0:0:6 (talk). That F is a homotopy is implied by continuity; best to avoid redundancy when giving a definition. undo Tag: Undo
curprev 02:2802:28, 19 November 2023 2001:b030:835c:ffc9::6 talk 18,680 bytes −6 →Deformation retract and strong deformation retract undo Tag: Reverted

curprev 14:5514:55, 5 November 2023 Winthrop23 talk contribs 18,686 bytes +966 +an explicit example of a space which is a deformation retract but not a strong deformation retract. undo

curprev 16:5816:58, 1 November 2023 130.113.109.91 talk 17,720 bytes 0 →Deformation retract and strong deformation retract undo Tags: Manual revert Mobile edit Mobile web edit
curprev 16:5816:58, 1 November 2023 130.113.109.91 talk 17,720 bytes 0 →Deformation retract and strong deformation retract: fixed typo undo Tags: Reverted Mobile edit Mobile web edit

curprev 19:2019:20, 12 October 2023 188.230.156.236 talk 17,720 bytes −13 This form more clearly shows why this is a strong deformation retraction. undo

curprev 04:5804:58, 29 January 2023 OAbot talk contribs m 17,733 bytes +54 Open access bot: doi added to citation with #oabot. undo

curprev 19:0319:03, 27 September 2022 Rreagan007 talk contribs 17,679 bytes −119 No edit summary undo

curprev 11:3811:38, 27 August 2022 BillFlis talk contribs m 17,798 bytes −1 →Deformation retract and strong deformation retract: clean up undo Tag: AWB

curprev 19:2319:23, 17 August 2022 OlliverWithDoubleL talk contribs m 17,799 bytes +103 No edit summary undo Tags: Mobile edit Mobile app edit iOS app edit

curprev 08:2908:29, 9 August 2022 Butäzigä talk contribs m 17,696 bytes +1 →Absolute neighborhood retract (ANR) undo

curprev 04:3004:30, 13 July 2022 PointlessUsername talk contribs 17,695 bytes +14 →No-retraction theorem undo Tag: Visual edit

curprev 06:2406:24, 5 April 2022 Tea2min talk contribs 17,681 bytes −1 Revert to revision 1056725379 dated 2021-11-23 05:44:38 by Citation bot using popups undo Tag: Manual revert

curprev 13:0013:00, 4 April 2022 2a0c:5bc0:40:2e31:ddf:567d:6998:ca01 talk 17,682 bytes −16 →Deformation retract and strong deformation retract undo Tag: Reverted
curprev 12:5712:57, 4 April 2022 2a0c:5bc0:40:2e31:ddf:567d:6998:ca01 talk 17,698 bytes +1 →Deformation retract and strong deformation retract undo Tag: Reverted
curprev 12:5712:57, 4 April 2022 2a0c:5bc0:40:2e31:ddf:567d:6998:ca01 talk 17,697 bytes +16 →Deformation retract and strong deformation retract undo Tag: Reverted

curprev 05:4405:44, 23 November 2021 Citation bot talk contribs 17,681 bytes +132 Add: s2cid, jstor, issue, doi. | Use this bot. Report bugs. | Suggested by Abductive | #UCB_toolbar undo

curprev 11:5111:51, 3 May 2021 DagneyGirl talk contribs 17,549 bytes +33 No edit summary undo

curprev 21:2721:27, 13 July 2020 Abhiram Natarajan talk contribs 17,516 bytes +16 →Properties: Added clarification regarding equivalence between homotopy and deformation retracts undo

curprev 07:0707:07, 10 April 2020 Tea2min talk contribs 17,500 bytes +67 →top: Define retracts in the lead section, given that Retract currently redirects here to Retraction (topology). undo
curprev 06:4506:45, 10 April 2020 Tea2min talk contribs 17,433 bytes +13 →top: Fix hat note. undo
curprev 06:2006:20, 10 April 2020 Tea2min talk contribs m 17,420 bytes 0 Tea2min moved page Retract to Retraction (topology): Make article title match first sentence of lead section of article. undo

curprev 22:3022:30, 9 December 2019 2001:861:3ac0:4fa0:2dcb:2232:88d8:5c31 talk 17,420 bytes −4 No edit summary undo

curprev 17:2017:20, 29 July 2019 CiaPan talk contribs m 17,424 bytes +1 + space undo

curprev 03:4503:45, 1 July 2019 Alexeytuzhilin talk contribs 17,423 bytes 0 →Cofibration and neighborhood deformation retract undo Tags: Mobile edit Mobile web edit

curprev 09:1309:13, 21 March 2019 140.77.178.160 talk 17,469 bytes −18 →Deformation retract and strong deformation retract undo
curprev 09:1109:11, 21 March 2019 140.77.178.160 talk 17,487 bytes +18 →Deformation retract and strong deformation retract undo

curprev 19:1219:12, 12 November 2018 Daviddwd talk contribs m 17,469 bytes +1,842 Formatting undo Tag: Visual edit

curprev 06:0206:02, 11 September 2017 163.239.207.205 talk 15,627 bytes 0 →Deformation retract and strong deformation retract undo
curprev 05:5805:58, 11 September 2017 163.239.207.205 talk 15,627 bytes 0 →Deformation retract and strong deformation retract undo

curprev 00:1300:13, 16 July 2017 Deacon Vorbis talk contribs m 15,627 bytes −5 →Deformation retract and strong deformation retract: LaTeX spacing clean up, replaced: \, </math> → </math> (2) using AWB undo

curprev 20:2620:26, 24 April 2017 Tsirel talk contribs 15,632 bytes 0 Undid revision 777020392 by 130.125.144.246 (talk) No! F(x,1) belongs to A, but F(x,0) does not undo
curprev 19:2619:26, 24 April 2017 130.125.144.246 talk 15,632 bytes 0 →Deformation retract and strong deformation retract undo

curprev 19:5919:59, 27 January 2017 Omnipaedista talk contribs 15,632 bytes +6 per MOS:BOLDSYN undo

curprev 19:2819:28, 22 December 2016 Rjwilmsi talk contribs m 15,626 bytes 0 →References: Journal cites: fix page range dash, using AWB (12134) undo

curprev 18:4518:45, 9 October 2016 Headbomb talk contribs m 15,626 bytes +3 fix minus sign, cleanup sup/sub, replaced: <sup>- → <sup>− using AWB undo

curprev 16:5816:58, 26 September 2016 Tsirel talk contribs 15,623 bytes −29 Undid revision 741272168 by 124.0.203.30 (talk) remark is unclear, and out of place undo
curprev 13:1013:10, 26 September 2016 124.0.203.30 talk 15,652 bytes +29 →Properties undo

curprev 23:2123:21, 17 September 2016 Chngr talk contribs 15,623 bytes 0 →Properties undo

curprev 20:2420:24, 11 July 2016 BTotaro talk contribs 15,623 bytes +8,944 Revised and expanded undo

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