Timeline for If a graph embeds in the projective plane or the torus is there a bound on the number of edge crossings it has in the plane?
Current License: CC BY-SA 3.0
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| when toggle format | what | by | license | comment | |
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| Mar 31, 2013 at 19:06 | history | answered | Jan Kyncl | CC BY-SA 3.0 |