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Jan Kyncl's user avatar
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Jan Kyncl
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answer
45
Issue UPDATE: in graph theory, different definitions of edge crossing numbers - impact on applications?
Jul 29, 2020
answer
23
How many vertices can a convex polytope have?
Apr 12, 2013
answer
19
Do there exist sparse graphs with large crossing number?
Oct 2, 2014
answer
17
Page-turning number of a graph
Jul 31, 2022
question
15
Smallest regular simplex containing the unit cube in $R^n$
Aug 11, 2013
answer
15
How many positions of a tiling polygon can occur simultaneousy?
Dec 20, 2017
answer
15
Always a planar-drawn cycle through $n$ points
Dec 19, 2015
question
13
Drawings of complete graphs with $Z(n)$ crossings
Apr 27, 2013
answer
13
Are infinite planar graphs still 4-colorable?
Dec 22, 2013
answer
12
VC dimension of standard topology on the reals
Sep 14, 2021