File:P1S2all.jpg
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Contents
Summary
DescriptionP1S2all.jpg |
English: Image showing that a circle around a sphere can be reduced to a single point via a homotopy. |
Date | 19 February 2007 (original upload date) |
Source | Created using SingSurf, JavaView and Gimp. Transferred from eo.wikipedia to Commons. |
Author | Salix alba |
Licensing
Salix alba at English Wikipedia, the copyright holder of this work, hereby publishes it under the following licenses:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers. | ||
Attribution: Salix alba at English Wikipedia | ||
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This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue |
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. Subject to disclaimers.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
This file is licensed under the Creative Commons Attribution 2.5 Generic license.
Attribution: Salix alba at English Wikipedia
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Original upload log (eo:File:P1S2all.jpg)
The original description page was here. All following user names refer to eo.wikipedia.
- 2007-02-19 04:44 Maksim-bot 1580×309×8 (75354 bytes) La bildo estas kopiita de wikipedia:en. La originala priskribo estas: == Summary == Image showing a homotopy of a circle around a sphere can be reduced to a singe point. Created using [http://www.singsurf.org SingSurf], [http://www.javaview.de JavaView]
Original upload log (en:File:P1S2all.jpg)
The original description page was here. All following user names refer to en.wikipedia.
- 2006-11-19 20:47 Salix alba 1580×309× (75354 bytes)
- 2006-11-19 17:47 Salix alba 1259×314× (62047 bytes) Image showing a homotopy of a circle around a sphere can be reduced to a singe point. Created using [http://www.singsurf.org SingSurf], [http://www.javaview.de JavaView] and Gimp. Created by [[User:Salix alba]]
Items portrayed in this file
depicts
19 February 2007
image/jpeg
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 15:42, 15 February 2015 | 1,580 × 309 (74 KB) | OgreBot | (BOT): Reverting to most recent version before archival | |
15:42, 15 February 2015 | 1,259 × 314 (61 KB) | OgreBot | (BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2006-11-19 17:47:32 by Salix alba | ||
00:19, 15 February 2015 | 1,580 × 309 (74 KB) | Mx. Granger | Higher resolution, from https://en.wikipedia.org/wiki/File:P1S2all.jpg | ||
03:12, 20 April 2007 | 800 × 156 (20 KB) | Matanya (usurped) | {{Information |Description=La bildo estas kopiita de wikipedia:en. La originala priskribo estas: == Summary == Image showing a homotopy of a circle around a sphere can be reduced to a singe point. Created using [http://www.singsurf.org SingSurf], [http:/ |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
- Fundamental group
- Homotopy groups of spheres
- Poincaré conjecture
- Simply connected space
- Talk:Homotopy groups of spheres/Definitions
- User:Denis.arnaud/Books/Poincare Conjecture
- User:MarkH21/Infobox mathematical statement
- User:MarkH21/Infobox mathematical statement/doc
- Template:Infobox mathematical statement
- Template:Infobox mathematical statement/doc
- Portal:Mathematics/Selected article/30
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Metadata
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JPEG file comment | Created with The GIMP |
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