Brouwer fixed-point theorem: Revision history

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curprev 04:0204:02, 21 May 2025 2601:204:f181:9410:fc71:5c49:ee02:1abb talk 62,855 bytes +50 →A proof by Hirsch: fixed italics undo

curprev 18:3118:31, 20 May 2025 2601:204:f181:9410:393b:1ef0:bcad:d110 talk 62,805 bytes −3 →A proof by Hirsch undo
curprev 18:2518:25, 20 May 2025 2601:204:f181:9410:393b:1ef0:bcad:d110 talk 62,808 bytes +124 →A proof by Hirsch undo Tag: Disambiguation links added
curprev 18:1818:18, 20 May 2025 2601:204:f181:9410:393b:1ef0:bcad:d110 talk 62,684 bytes +139 →A proof by Hirsch: Fleshed out some details undo
curprev 18:1218:12, 20 May 2025 2601:204:f181:9410:393b:1ef0:bcad:d110 talk 62,545 bytes +295 →A proof by Hirsch undo

curprev 10:1310:13, 18 March 2025 RolfAlien talk contribs 62,250 bytes −89 →Closedness: Fixed some language issues, and removed a paragraph that was wrong and misleading. (The problem with the example is indeed the closedness of the domain - the theorem never uses that the *range* of the function is equal to the domain, only that the *codomain* is. Indeed, if it did it would be a much weaker theorem. It is true that the *range* of f is (0,1), but we can easily extend the *codomain* to (-1,1).) undo Tag: Visual edit

curprev 22:0722:07, 4 February 2025 CommonsDelinker talk contribs 62,339 bytes −96 Removing Hadamard2.jpg; it has been deleted from Commons by Abzeronow because: per c:Commons:Deletion requests/Third-party photos hosted by the NWS uploaded by HurricaneHink. undo

curprev 11:3611:36, 19 December 2024 Jimalton talk contribs m 62,435 bytes +274 →Closedness undo

curprev 14:3714:37, 17 November 2024 192.76.8.85 talk 62,161 bytes +4 →A proof using homology or cohomology undo
curprev 14:3214:32, 17 November 2024 192.76.8.85 talk 62,157 bytes +4 →A proof using homology or cohomology undo
curprev 14:3014:30, 17 November 2024 192.76.8.85 talk 62,153 bytes +4 →A proof using homology or cohomology undo

curprev 00:5600:56, 20 June 2024 Beland talk contribs m 62,149 bytes +14 MOS:FRAC / convert special characters found by Wikipedia:Typo Team/moss (via WP:JWB) undo

curprev 16:0016:00, 11 June 2024 Mengditian talk contribs 62,135 bytes 0 →Proof outlines undo

curprev 04:2904:29, 23 January 2024 Citation bot talk contribs 62,135 bytes +30 Add: doi, issue. | Use this bot. Report bugs. | #UCB_CommandLine undo

curprev 13:4113:41, 22 December 2023 Apostrostomper talk contribs m 62,105 bytes 0 →A proof using oriented area: typo - form -> from undo

curprev 05:3405:34, 15 December 2023 Uranuscat33 talk contribs 62,105 bytes +100 clearify what BFPT means undo Tag: 2017 wikitext editor

curprev 04:0004:00, 29 October 2023 InternetArchiveBot talk contribs 62,005 bytes +145 Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.9.5 undo

curprev 13:1513:15, 31 August 2023 Alexander Lemmens talk contribs 61,860 bytes +1 →A proof using the hairy ball theorem undo
curprev 12:3612:36, 31 August 2023 Alexander Lemmens talk contribs m 61,859 bytes 0 →A proof using the hairy ball theorem undo

curprev 16:3616:36, 25 August 2023 Cerebrality talk contribs m 61,859 bytes +1 typo undo

curprev 04:0404:04, 26 May 2023 LaundryPizza03 talk contribs 61,858 bytes −110 →Prehistory: Misuse of prehistory undo

curprev 03:1303:13, 22 May 2023 2600:4041:d9:1300:7938:f5f2:73e5:4113 talk 61,968 bytes +36 The empty function is a counterexample to the theorem as stated. The empty set is compact and convex, yet the empty function has no fixed points. undo
curprev 03:0903:09, 22 May 2023 2600:4041:d9:1300:7938:f5f2:73e5:4113 talk 61,932 bytes +9 False as stated. The empty set is compact and convex, yet the empty function has no fixed points. undo

curprev 11:3711:37, 7 May 2023 Certes talk contribs m 61,923 bytes 0 typo: Kőnig (via WP:JWB) undo

curprev 11:2811:28, 26 April 2023 ZMBerber talk contribs m 61,923 bytes +1 fixed typo: space after period of a sentence was missing. undo

curprev 08:4408:44, 13 April 2023 Erel Segal talk contribs 61,922 bytes −2,803 No edit summary undo Tag: Visual edit
curprev 08:2808:28, 13 April 2023 Erel Segal talk contribs 64,725 bytes +258 →Computing a fixed point undo Tag: Visual edit

curprev 20:3520:35, 3 April 2023 Erel Segal talk contribs 64,467 bytes +159 →Computing a fixed point undo Tag: Visual edit

curprev 19:1919:19, 2 April 2023 Erel Segal talk contribs 64,308 bytes +1,118 →Computing a fixed point undo Tag: Visual edit
curprev 19:0519:05, 2 April 2023 Erel Segal talk contribs 63,190 bytes +340 Computing a fixed point undo Tag: Visual edit

curprev 03:0203:02, 23 February 2023 175.159.126.109 talk 62,850 bytes +13 →Closedness undo

curprev 21:5221:52, 1 January 2023 Saung Tadashi talk contribs m 62,837 bytes +19 →Reception: Updated link undo Tag: Visual edit

curprev 22:1722:17, 15 December 2022 JJMC89 bot III talk contribs m 62,818 bytes +11 Moving Category:Continuous mappings to Category:Theory of continuous functions per Wikipedia:Categories for discussion/Log/2022 December 6#Category:Continuous mappings undo

curprev 03:5803:58, 1 December 2022 Rlink2 talk contribs m 62,807 bytes +156 →Prehistory: Adding archives WP:LINKROT undo Tag: AWB

curprev 16:0916:09, 18 November 2022 Wikiramnam talk contribs 62,651 bytes +3 →Importance of the pre-conditions undo

curprev 20:3420:34, 10 November 2022 Finnusertop talk contribs m 62,648 bytes −1 fixed Special:LintErrors undo

curprev 19:5219:52, 9 October 2022 Rlink2 talk contribs m 62,649 bytes +482 Adding archives WP:LINKROT undo Tag: AWB

curprev 08:4408:44, 1 September 2022 PointlessUsername talk contribs 62,167 bytes −12 →A proof using the hairy ball theorem undo Tags: Mobile edit Mobile web edit Advanced mobile edit
curprev 08:3908:39, 1 September 2022 PointlessUsername talk contribs 62,179 bytes +1 →Convexity undo Tags: Mobile edit Mobile web edit Advanced mobile edit

curprev 03:2503:25, 26 July 2022 2603:8080:9100:41d9:bf1a:2fd7:b91:197 talk 62,178 bytes +8 →Explanations attributed to Brouwer: Grammar undo Tags: Mobile edit Mobile web edit
curprev 03:2403:24, 26 July 2022 2603:8080:9100:41d9:bf1a:2fd7:b91:197 talk 62,170 bytes +10 →Illustrations: Grammar undo Tags: Mobile edit Mobile web edit

curprev 21:1521:15, 22 May 2022 69.127.40.35 talk 62,160 bytes +246 Added minor details on the equivalence of the 2-dimensional fixed-point theorem to the combinatorial game Hex undo
curprev 21:0821:08, 22 May 2022 69.127.40.35 talk 61,914 bytes 0 No edit summary undo

curprev 08:2908:29, 28 March 2022 130.226.132.10 talk 61,914 bytes −1 The range had the wrong bounds, the interval [-1, 1] becomes [0, 2] when adding 1 undo

curprev 18:0918:09, 17 March 2022 Montgolfière talk contribs 61,915 bytes −9 Using <math> in a section header appears to lead to incorrect rendering in the table of contents undo

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