Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
graph |
| gptkbp:chromaticNumber |
4
|
| gptkbp:edge |
11
|
| https://www.w3.org/2000/01/rdf-schema#label |
Moser spindle
|
| gptkbp:introduced |
gptkb:William_Moser
gptkb:Leo_Moser |
| gptkbp:introducedIn |
1961
|
| gptkbp:namedAfter |
gptkb:William_Moser
gptkb:Leo_Moser |
| gptkbp:planar |
true
|
| gptkbp:shows |
chromatic number of the plane is at least 4
|
| gptkbp:unitDistanceGraph |
true
|
| gptkbp:usedIn |
gptkb:Hadwiger–Nelson_problem
|
| gptkbp:vertices |
7
|
| gptkbp:bfsParent |
gptkb:Hadwiger–Nelson_problem
|
| gptkbp:bfsLayer |
7
|