File talk:ProjectivePlaneAsSquare.svg
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[編輯]This file was marked as equivalent to w:Image:ProjectivePlaneAsSquare.png from en.wikipedia.org according to the NowCommons tag.
This is the edit history for that file's page:
- [2005-10-21T20:03:34Z] Ilmari Karonen (The [[fundamental polygon]] of a [[projective plane]]. To construct the projective plane, join the sides with the same letter together so that the directions of the arrows match. (This cannot be done in three dimensions without the surface intersecting)
- [2006-02-11T15:34:01Z] Ilmari Karonen ({{NowCommons|ProjectivePlaneAsSquare.svg}})
- [2006-02-11T15:36:03Z] Ilmari Karonen (+Image:)
Original title:
- ProjectivePlaneAsSquare.png
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- (del) (cur) 20:03, 21 October 2005 . . Ilmari Karonen (Talk | contribs) . . 500×500 (11,686 bytes) (The fundamental polygon of a projective plane. To construct the projective plane, join the sides with the same letter together so that the directions of the arrows match. (This cannot be done in three dimensions without the surface intersecting )
Text:
== Summary ==
The [[fundamental polygon]] of a [[projective plane]]. To construct the projective plane, join the sides with the same letter together so that the directions of the arrows match. (This cannot be done in three dimensions without the surface intersecting itself.) Drawn in [[Inkscape]] by [[User:Ilmari Karonen|Ilmari Karonen]]. [[SVG]] original available at [--vyznev.net/misc/ProjectivePlaneAsSquare.svg].
== Licensing ==
{{PD-self}}